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    Bulletin of Botanical Research 1986 Vol.6
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    NOTULAE DE RANUNCULACEIS SINENSIBUS(Ⅸ)
    Wang Wen-tsai
    Bulletin of Botanical Research    1986, 6 (1): 1-42.  
    Abstract263)      PDF(pc) (2841KB)(149)       Save
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    INVESTIGATION ON EMBRYOLOGY OF TRILLIUM TSCHONOSKⅡ MAXIM.Ⅰ.——MEGASPOROGENESIS AND THE FORMATION OF THE FEMALE GAMETOPHYTE
    Li Ping, Zheng Xue-jing
    Bulletin of Botanical Research    1986, 6 (1): 43-53.  
    Abstract302)      PDF(pc) (1941KB)(135)       Save
    The Trillium tschonoskii Maxim. is distributed in Mt. Emei of Sichuan. The ovule is of anatropus and crassinucellate type. When mature, it has two layers of integuments, of which,the outer one consists of two-three layers of cells, whilc the inner of two. The micropyle is formed by both integuments.A unicellular archesporium is derived from the hypodermal cell at the tip of the young nucellus, which divides to form a parietal cell and a sporgenous cell. The magaspore mather cell is formed from the development of the sporogenous cell and gives rise to a bisporie embryo sac. The first meiotic division is acconpanied by wall formation, so that a dyad is formed.Usually the chalazal dyad cell is bigger than the micropolar one and is fill by many starch grains. Only one of the dyad cells undergoes the second meiotic division whereas the other one degenerates. In the functional dyad cell wall formation does not occur of the second meiotic division and both magaspore nuclei contribute to the formation of embryo sac, which is derived from the chalazal dyad cell. The mature embryo sac is not magasporogenesis and megagametophyte development is something deviated from the normal type of the Allium. Synergids have filiform apparatus at its upper end.The mature male gametophyte pollen grain is two cells. The wall of undifferentiated anther showed the existence of amoeboid topetum. The endosperm is Holobial type.
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    A TAXONOMIC STUDY OF THE DECIDUOUS OAKS IN CHINA BY MEANS OF CLUSTER AND KARYOTYPE ANALYSES
    Wang Liang-min
    Bulletin of Botanical Research    1986, 6 (1): 55-69.  
    Abstract277)      PDF(pc) (2751KB)(238)       Save
    This is a taxonomic study on the deciduous oaks of China by means of cluster and karyotype analyses. 1. By the cluster analysis to 25 species of the deciduous in China, 4 new taxa which have recently been published are further tested and their specific place in all the deciduous oaks are defined, and the relationship is quantified among the 25 oaks which are divided into two groups including daimyo oak group and sawtooth oak group. 2. The chromosome karyotypes of 12 main species of the deciduous oaks in China and common oak introduced are studied. The chromosomes of all the species exammed are 2n=24,and consist of metacentric and submetacentric chromosomes. The chromosomes from 1.14 μ to 3.46 μ in length. The 13species can be divided into three types:daimyo oak-type,sawtooth oak-type and common oak-type.
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    STUDIES ON THE DEVELOPMENT OF GAMETOPHYTES OF FERNS FROM NORTH-EAST CHINA Ⅱ.SELAGINELLACEAE
    Bao Wen-mei, Aur Chih wen
    Bulletin of Botanical Research    1986, 6 (1): 71-78.  
    Abstract289)      PDF(pc) (1751KB)(201)       Save
    The developments of male and female gametophyte and juvenile sporophyte of Selaginella tamariscina (Beauv.) Spr.were studied. They have been grown in culture. The microspores and the macrospores of Seiaginella are all tetrahedral type and trilete. In the present species, the microspores are reddish orange and the macrospores are yello-wish. The microspores are cultured when they shed from their microsporangia. They deyelop into male gametophytes in a week, and the majority of them produce spermatozoids in 20 days. The male gametophyte consists essentially of a single antheridium. When the spermatozoids are extruded from the antheridium, it is enveloped by a membrane, its body is curved like a bow 5 μm. in diameter. After 2-3 minutes they stretch their biflagella and begin to swim. The length of the extended spermatozoid is about 9-10 μm. Its flagella is about 25-28 μm. The macrospores are treated in low temperature about 5℃. in refrigerator for 6-8 weeks and then cultured. They develop into white female gametophytes and emerge from the split in the trilete of the walls of macrospores in 5 weeks.The exposure of the female gametophyte is followed by the appearance of the archegonia in them. The number of the archegonium in a female gametophyte is about 15 even to 40.Because of their brown in color when they ripen, they can be recognized easily. An archegonium only projects with its four opercular cells above the level of the female gametophyte.These cells are triangular shield-shaped. At the trilete end of the macrospore the female gametophyte produces cells on its surface, and at the other end there is non-cellular structure storing its nutrition. The microspores and the macrospores are collected and mixedly cultured. Their juvenile sporophytes appear in 5 days.Its percentage is very low about 2.1-3.3%. At first the hypo-cotyledonary stem of them grows up and then it produces the hyprimary root. The two cotyledons which are on the top of the pocotyledonary stem expand. Accompanying growth the apical cells of stem extend and produce leaves, axillary buds and adventitious root. It is interesting to note that the tip of the primary root may branch dichotomously. In the present work, the percentage of the germination of the macrospores treated in low temperature greatly increases.This leads the author to consider that the macrospores in nature need a ripened period through a winter and germinateand develop into female gametophytes next spring. The micro-spores and the macrospores which do not be treated in low temperature are mixedly cultured, the percentage of the appearance of the sporophyte is very low. It is possible that the severy few macrospores which develop into female gametophytes and are fertilized may be shed last year. They seem to be sliped into the culture.
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    STUDY OF UNUSUAL FATTY ACID COMPOSITION IN THE SEEDOILS FROM TRICHOSANTHES GENUS
    Huang Min-quan
    Bulletin of Botanical Research    1986, 6 (1): 79-83.  
    Abstract276)      PDF(pc) (297KB)(136)       Save
    Seven species of seedoils from Trichosanthes have been ex-amined about its fatty acid compositions by GC, UV, and IRetc.. It has been found that they all contain an unusual fatty acid constituent punicic acid which seldom occurs in the nature and are rich in it. Therefore we have reason to suppose that maybe punicic acid occurs in the seedoils of whole Trichosanthes genus as a common chemical composition.
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    STUDIES ON THE FAMILY OROBANCHACEAE OF CHINA(Ⅱ)
    Zhang Zhi-yun
    Bulletin of Botanical Research    1986, 6 (1): 85-95.  
    Abstract294)      PDF(pc) (709KB)(189)       Save
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    FOUR NEW SPECIES OF GENUS BOTHRIOCHLOA(GRAMINEAE)FROM CHINA
    Fang Wen-Zhe
    Bulletin of Botanical Research    1986, 6 (1): 97-107.  
    Abstract305)      PDF(pc) (677KB)(152)       Save
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    A STUDY ON THE TAXONOMY OF THE GENUS PARIS L.
    Li Hen
    Bulletin of Botanical Research    1986, 6 (1): 109-144.  
    Abstract399)      PDF(pc) (2320KB)(346)       Save
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    MISCELLANEA GUANGXIENSIA(Ⅰ)
    Wan Yu
    Bulletin of Botanical Research    1986, 6 (1): 145-150.  
    Abstract300)      PDF(pc) (358KB)(147)       Save
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    NEW VARIETIES FROM JIANGXI
    Yu Zhi-xiong
    Bulletin of Botanical Research    1986, 6 (1): 151-154.  
    Abstract285)      PDF(pc) (808KB)(189)       Save
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    A NEW SPECIES AND A NEW VARIETY OF RHODODENDRON FROM SICHUNA,CHINA
    Hu Lin-cheng
    Bulletin of Botanical Research    1986, 6 (1): 155-158.  
    Abstract303)      PDF(pc) (240KB)(142)       Save
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    A NEW SPECIES OF ADENOPHORA FISCH·FROM HEILONGJIANG
    Fu Cheng-xin, Liu Ming-yuan
    Bulletin of Botanical Research    1986, 6 (1): 159-161.  
    Abstract324)      PDF(pc) (172KB)(115)       Save
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    A NEW SPECIES OF BENNETTIODENDRON FROM GUANGXI
    Chen Xiu-xiang
    Bulletin of Botanical Research    1986, 6 (1): 163-166.  
    Abstract345)      PDF(pc) (209KB)(130)       Save
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    A NEW SPECIES OF RHODODENDRON FROM XIZANG
    Yu Qing-zhu
    Bulletin of Botanical Research    1986, 6 (1): 167-168.  
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    NEW MATERIALS OF PLANT FROM SHANDONG Forestry School of Shandong Province, Taian,Shandong
    Li Fa-zeng
    Bulletin of Botanical Research    1986, 6 (1): 169-171.  
    Abstract232)      PDF(pc) (185KB)(110)       Save
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    A NEW SPECIES OF FRITILLARIA FROM XINJIANG
    Yang Chang-you
    Bulletin of Botanical Research    1986, 6 (1): 173-174.  
    Abstract276)      PDF(pc) (103KB)(108)       Save
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    A NEW SPECIES OF GRAMINEAE FROM CHINA
    Wang Chao-pin
    Bulletin of Botanical Research    1986, 6 (1): 175-177.  
    Abstract256)      PDF(pc) (163KB)(94)       Save
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    NEW NAMES FOR THREE SPECIES OF FERNS FROM SICHUAN
    Ching Ren-chang, Liu Zheng-yu
    Bulletin of Botanical Research    1986, 6 (1): 179-180.  
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    SOME NEW TAXA FROM ANHUI PROVINCE
    Liu Deng-yi
    Bulletin of Botanical Research    1986, 6 (1): 181-181.  
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    A STUDY ON THE GENUS BERBERIS L.FROM EAST AND SOUTH CHINA
    Hu Chi-ming
    Bulletin of Botanical Research    1986, 6 (2): 1-19.  
    Abstract284)      PDF(pc) (1079KB)(227)       Save
    In this study the area under consideration comprises Guangxi, Guangdong, Hunan, Jiangxi, Anhui, Jiangsu, Zhejiang and Fujian provinces. A key to 14 species and 2 subspecies of Berberis known to occur in this area is given and accepted names with synonyms and distributions are enumerated. B. pho-tiniaefolia C. M. Hu, B. fujianensis C. M. Hu, B. wuyiensis C. M. Hu, B. jiangxiensis C. M. Hu, B. oblanceifolia C. M.Hu, B. chingii subsp. wulingensis C. M. Hu, and B. chingii subsp. subedentata C. M. Hu are deseribed as new species and B.chekiangensis Ahrendt, B. pingjiangensis Q. L. Chen et B. M.Yang are reduced to synonym.
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    STUDIES ON THE POLLEN MORPHOLOGY OF CHINESE TRICHOSANTHES
    Yue Chong-xi, Yueh Chung-hsi, Zhang Yu-long
    Bulletin of Botanical Research    1986, 6 (2): 21-35.  
    Abstract269)      PDF(pc) (2663KB)(201)       Save
    Most of the Chinese species of Genus Trichosanthes are used as crude drugs. It is found that the pollen morphology of this genus is useful for the identification of the original plants. In this article, pollen morphology of 31 species of Trichosanthes has been treated in a systematic study. All the species are widely distributed in China except T. multiloba Miq. whichoccurs only in Japan. All of them have been examined under the light microscope and scanning electric microscope and the relationships of pollens of different sections in this genus has been verified. Besides this, the pollen morphology of Trichosanthes has been compared with that of Hodgsonia which also belongs to Trichosantheae. Finally, pollen morphology of the 3 kinds of adulterant or substitutes of drug Tien-hua-fen which are of the same Cucurbitaceae family have been compared with that of the genuine ones. Thus, the study of pollen morphology supplies an important basis for the identification of the plants.
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    SYSTEMATIC NOTES ON THE GENUS MIYAMAYOMENT KITAM.(COMPOSITAE)
    Chen Yi-ling
    Bulletin of Botanical Research    1986, 6 (2): 37-46.  
    Abstract286)      PDF(pc) (1277KB)(189)       Save
    Miyamayomena, a small genus of Compositae, belonging to the tribe Astereae Cass., Subtribe Asterinae O. Hoffm. was sepa-rated from Kalimeris Cass. ( Asteromaea Bl.), based on M. sava-tieri (Makino) Kitam. by S. Kitamura in 1937. It is charac-terized by the complete absence of pappus, and thus distingui-shed from preciding genus with shortly pappus, in the pappus absent from all florets. Gymnaster Kitam. had been named for the genus when it was published. Four species in the genus had also been divided into respectively sections, e. g. Sect. Homolepis Kitam. and Sect. Crassifolium Kitam. according to the involucral bracts and the ribbed achenes. Miyamayomena, the correct name of the genus was remaned by Kitamura in 1982, because there was a valid name, Gymnaster Schütt which had been made in the family Gymnosclerodaceae previously. Two Chinese Aster described by Chang in 1935: Aster angustifolius Chang and A. simplex Chang which had been transfered to Gymnaster Kitam. by Ling Young, should have to be renamed as M. angustilolia (Chang) Y. L. Chen and. M.simplex (Chang) Y. L. Chen. On the basis of the achenial and involucral characters,Kitamura's inclusion of the Chinese species M. piccolii (Hook.f.) Kitam with inconspicueously ribbed achenes in Sect. Crassi-folium Kitam. is shown to be incorrect. M. angustifolia(Chang) Y. L. Chen is very similar to M. koraiensis (Nakai)Kitam. in the involucral bracts and distinctly ribbed achenes.Both of them should be included to the same section, e. g. Sect. Crossifolium Kitam. In opposition to those species, M.simplex(Chang)Y. L. Chen is closely allied to M. piccoli (Hook.f.) Ktaim. in having inconspicously ribbed achenes. Both of them is similar to the sect. Crassifolium Kitam. in the structure of the involucral bracts, but the compresse and incon-spiuously ribbed achenes is different from the later. However,they are not suitable to include into any sections known in the genus. So that, Sect. Heterolepis Ling et Y. L. Chen, as a new section is considerable to be set up for them. In addition, to make an emendation of the genus and sections seems to be neccessary. Five species and one subspecies, 3 in China, and 1, M. sava-tieri (Makino) Kitam., 1 subspecies M. savatieri subsp. pygmaea(Makino ex Kitam.) Kitam. endemic to Japan, 1, M. koraiensis(Nakai) Kitam. endemic to Korea. Three sections are described, 1 section is described as new,2 new names are published,a key to sections and species is provided, and distribution of the genus is also shown on the map.
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    NEW PLANTS OF GERANIUM FROM SICHUAN
    Tan Zhong-ming
    Bulletin of Botanical Research    1986, 6 (2): 47-65.  
    Abstract265)      PDF(pc) (1146KB)(213)       Save
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    TWO NEW SPECIES OF LILIACEAE FROM SICHUAN
    Xu Jie-mei
    Bulletin of Botanical Research    1986, 6 (2): 67-70.  
    Abstract283)      PDF(pc) (786KB)(165)       Save
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    STUDIES ON THE GENUS ELAEAGNUS LINN.IN XIZANG
    Chang Che-yung
    Bulletin of Botanical Research    1986, 6 (2): 71-77.  
    Abstract313)      PDF(pc) (426KB)(218)       Save
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    PLANTAE NOVAE SALICACEARUM
    Mao Pin-yi, Li Wen-zheng
    Bulletin of Botanical Research    1986, 6 (2): 79-85.  
    Abstract275)      PDF(pc) (414KB)(182)       Save
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    A NEW SPECIES OF SARGENTODOXA FROM SHAANXI
    Qu Shi-zeng, Min Cheng-lin
    Bulletin of Botanical Research    1986, 6 (2): 87-90.  
    Abstract352)      PDF(pc) (229KB)(200)       Save
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    TWO NEW SPECIES OF POLYGONATUM FROM SICHUAN
    Liu Dai-ming, Zeng Wan-zhang
    Bulletin of Botanical Research    1986, 6 (2): 91-96.  
    Abstract311)      PDF(pc) (1568KB)(192)       Save
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    NEW TAXA OF MICHELIA FROM CHINA
    Law Yuh-wu, Wu Young-fen
    Bulletin of Botanical Research    1986, 6 (2): 97-100.  
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    NOTES ON FAGACEAE(Ⅰ)
    Huang Cheng-chiu, Chang Yong-tian
    Bulletin of Botanical Research    1986, 6 (2): 101-106.  
    Abstract331)      PDF(pc) (405KB)(313)       Save
    Our paper, Notes on Fagaceae, is prepared for the compilation of the Flora Reipublicae Popularis Sinicae, and separated into parts, shall be published subsequently. It deals with members of the family, not all, but most of them, from China,and still a few from other countries. The reason is, one would have known, that plant species as well as the moving animals,no national boundaries could keep their limits in distribution,particular to those elements not only very widespread but also markedly discontinous. On the whole, we would prefer taking the treatment of genera and species is conservative. At generic level, for examples, Pasania Oerst. and Cyclobalanopsis Oerst. shall not separated from Lithocarpus Bl. and Quercus L. respectively. In additions to the new combinations here made, new taxa described and descriptionae addendae to some taxa, which had been published previously, discussions and critical notes on those so long had been made misleading or misinterpretation and those of species mixta, dubia and etc. here also given. In this present paper, Trigonobalanus doichangensis is reported once again after Hsu et al. (1981). The plant was found in Sze-Mao, where situates in due south of Yunnan and not far from Laos. The former record reported that it was found in Ling-Tschan, south-west Yunnan, where borders on Burma. We believe comprehensively that T. doichangensis must has been surving in both Laos and Burma, since this species was discovered initially in Thailand. On the fact that the third species T. excelsa is discovered in Colombia, Melville (1982) expressed his view on the pheno-menon of discontinuity in distribution of this genus to-day in the present separation between the continents of Asia and South America. We agree the reasonable explanation given by Melville in accepting the continental drift theory and thence he recons-tructed map of the West Gandwanaland Peninsula of the Permian while he opposing Lozano et al. (1980) and some authors had previously assumed that when the Bering land-bridge became available in the Pliocene, as suggested by Raven & Axelrod (1974) Trigonobalanus migrated northwards from south-east Asia passed into North America and then along the Panama isthmus into South America. We take advantage here of the occasion in order to call attention to the fact that there are another two genera of the most primitive family of Angiosperms i. e. Talauma Juss. and Dugeniodendron Lozano of Magnoliaceae. A large number of species of these two genera occur in south-eastAsian, at the same time, they occupied an area very similar to that of Trigonobalanus in distribution in both hemispheres(Liu 1984). The componant of the genus Dugeniodendron is a group which compries of few species belonged formerly to Talau-ma and Magnolia, as these species possess.distinguishing chara-cteristics that had better separated from the two genera and betreated as an independent genus as G. Lezano has been done.
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    THE GEOGRAPHICAL DISTRIBUTION OF GENUS ASARUM IN MT.EMEI OF CHINA IN RELATION TO SYSTEMATICS
    Wu Jia-lin
    Bulletin of Botanical Research    1986, 6 (2): 107-111.  
    Abstract245)      PDF(pc) (307KB)(147)       Save
    There are six species and one variety of genus Asarum in Mt. Emei belonging to three sections in two subgenera. From the foot to the top of the mountains, these species are distri-buted following a proper order, Asarum chingehengense Cheng et Yang, A. caudigerum Hance, A. caudigerum var. cardiophyllum(Fr.) Cheng et Yang, A. delavayi Fr., A. pulchellum Hemsl., A. caudigerellum Cheng et Yang and A. himalaicum Hook. f. et Thoms. In the region of evergreen broad-leaf forest (800-1500m alt.), five species and one variety are distributed, which make over 85% of all. Here remarkable differentiation can be obserated. The vertical distribution of Asarum in Mt. Emei arein accordance with their syste matic relations.
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    A NEW SPECIES OF DENDROBIUM FROM CHINA
    Sun Shao-chi, Xu Li-guo
    Bulletin of Botanical Research    1986, 6 (2): 113-116.  
    Abstract383)      PDF(pc) (212KB)(162)       Save
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    STUDY ON THE CLASSIFICATION OF WILD SPECIES OF GENUS GLYSINE FROM LIAONING PROVINCE
    Fu Pei-yun, Chen Yu-an
    Bulletin of Botanical Research    1986, 6 (2): 117-123.  
    Abstract326)      PDF(pc) (462KB)(308)       Save
    This paper deals mainly with the results of observation.investigation and identification on the specimens and their research deta of some wild species of Genus Glycine from Li-aoning Province. The specimens mentioned above had extensi-vely been collected and cultured by Tieling Institute of Agri-cultural Research in recent years. New varieties of wild soybean, i. e. " Glycine soja Sieb. et Zucc. var. albiflora P. Y. Fu et Y. A. Chen" and its new variant form " G. soja Sieb. et Zucc. var. albiflora P. Y. Fu et Y. A. Chen f. angustifolia P. Y. Fu et Y. A. Chen", which have a certain position in nature and are more stable in cultural experiments, are publi-shed. The new Chinese name of " G. gracilis Skv. var. nigra Skv." is proposed and the meaning of its correct name——the extent of its characterization is revised.In the present paper, the legitimate and correct name, synonym, its brief description, habitat and distribution of each taxon are recorded in order to identify conveniently. At the same time, a key to the classification of wild species of Genus Clycine from Liaoning Province is provided for application.,However, a further study of the problems on the classification of variant forms of their seeds is considered to be needed.
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    A NEW VARIETY OF BETULA PLATYPHYLLA FROM HEBEI
    Huang jin-xiang
    Bulletin of Botanical Research    1986, 6 (2): 125-126.  
    Abstract241)      PDF(pc) (142KB)(166)       Save
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    A NEW SPECIES OF CARDAMINE FROM ANHUI
    Zhang Ding-cheng
    Bulletin of Botanical Research    1986, 6 (2): 127-129.  
    Abstract331)      PDF(pc) (178KB)(159)       Save
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    A NEW SPECIES OF CLEMATIS FROM XINJIANG
    Hou Yue-shin, Hou Wen-hu
    Bulletin of Botanical Research    1986, 6 (2): 131-133.  
    Abstract380)      PDF(pc) (759KB)(191)       Save
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    A NEW SPECIES OF POPULUS FROM SHANDONG
    Liang Shu-bin, Li Xing-wen
    Bulletin of Botanical Research    1986, 6 (2): 135-137.  
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    NEW SPECIES OF MAGNOLIACEAE FROM GUANGTUNG AND YUNNAN,CHINA
    Law Yuh-wu, Zhou Ren-zhang
    Bulletin of Botanical Research    1986, 6 (2): 139-142.  
    Abstract206)      PDF(pc) (232KB)(137)       Save
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    A NEW SPECIES OF CARPINUS FROM HUNAN
    Liu Ke-wang, Lin Qin-zhong
    Bulletin of Botanical Research    1986, 6 (2): 143-145.  
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    THE LITTLE KNOWN PINUS FROM CHINA
    An Qing-fu, Zhang Xing-xiang
    Bulletin of Botanical Research    1986, 6 (2): 147-149.  
    Abstract412)      PDF(pc) (533KB)(240)       Save
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