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    Bulletin of Botanical Research 1984 Vol.4
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    STUDIES ON THE GENUS RHODODENDRON L.(Ⅴ)
    Fang Wen-pei, Li Guang-zhao
    Bulletin of Botanical Research    1984, 4 (1): 1-8.  
    Abstract291)      PDF(pc) (1475KB)(172)       Save
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    NOTULAE DE GESNERIACEIS SINENSIBUS(Ⅴ)
    Wang Wen-tsai
    Bulletin of Botanical Research    1984, 4 (1): 9-35.  
    Abstract367)      PDF(pc) (1561KB)(256)       Save
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    MATERIAE AD FLORAM LATHYRORUM SINENSIUM
    Tsui Hung-pin
    Bulletin of Botanical Research    1984, 4 (1): 36-60.  
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    NEW TAXA OF SETARIINAE AND CENCHRINAE
    Chen Shou-liang, Sheng Guo-ying, Jin Yu-xing
    Bulletin of Botanical Research    1984, 4 (1): 61-72.  
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    A STUDY ON THE GENUS GENTIANA OF CHINA(Ⅱ)
    Ho Ting-nung
    Bulletin of Botanical Research    1984, 4 (1): 73-87.  
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    A REVISION OF JASMINUM IN CHINA
    Miao Bo-mao
    Bulletin of Botanical Research    1984, 4 (1): 88-111.  
    Abstract353)      PDF(pc) (1424KB)(164)       Save
    Jasminum is by far the largest genus in the Oleaceac, which is composed of over 200 species, nearly a quarter of which is found in China. In China the genus grows mainly in south and southwest. The northern limit of its range extends to Lat. 35°30'N. , the vertical distribution from nearly sea level to 4000malt. About 90 species had been recorded in China, as a result of the latest review of chinese Jasminum, there remain 46 species, among which 2 new to China. Key to the genera of chinese Jasminum is provided in this paper. Also the taxonomy of the sections is discussed.
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    KARYOTYPE ANALYSES IN LYCORIS RADIATA(L'HER.)HERB.AND VAR.PUMILA GERY
    Hsu Ping-sheng, Huang Shao-fu, Zhao Zhi-fen, Yu Zhi-zhou, Lin Jin-zhen
    Bulletin of Botanical Research    1984, 4 (1): 112-117.  
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    Karyotypic analyses for Lycoris radiata (L' Her. ) Herb. andvar. pumila Gery, cultivated in Hangchow Botanical Carden, were carried out. The chromosomes in root-tip cell of these plants were found to be 33 and 22 respectively, both exhibited asymmetrical karyotypes with rod-shaped chromosomes. According to the chromosomal terminology defined by Levan et al. [9], the karyotype formula of L. radiata is therefore K (3n) =33=15t+18st, and of var. pumila, K(2n)=22=22t. These results agree well with those reported by Inariyama [5, 6] and Bose and Flory [4], but differ very much with that of Mooker-jea [10]. The chromosomes of the diploid L. radiata var. pumila, which has smaller bulbs and narrower and shorter leaves than the triploid L. radiata, though quite similar in relative lengths, differ remarkably in absolute lengths and arm ratios with the triploid. L. radiata is undoubtedly a near relative of I. rosea Traub et Moldenke. Since both belonging to the Subgenus Lycoris, they are very similar in karyotype and in external morphology as well. In the light of the fact that trivalent chro-mosomes were formed in heterotype metaphase in the pollen mother cells of L. radiata, Inariyama [5] held that the triploid was of autopolyploid origin. But the parental tetraploid plants have not yet been found. If taking 11 to be the basic chromosome number and Ro-bertsonian fusion the major tendency of karyotype evolution in Lycoris as stressed by Inariyama [7], Stebbins [11] and Jones [8] in particular, L. radiata var. pumila should be considered as one of the most primitive taxa which may be ancestral in the karyotype evolution of that gentus. Photomicrographs, karyotypes and idiograms of L. radiata and var. pumila are shown in Figs. 1, 2 and 3. Measurements in microns of the chromosome sets are given in Tables 1 and 2. The vouchers are preserved in the herharium of Hangchow Botanical Garden.
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    THE NEW SPECIES AND NAMES OF THE GENUS HOYA R.Br.(ASCLEPIADACEAE)
    Li Ping-tao
    Bulletin of Botanical Research    1984, 4 (1): 118-122.  
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    TAXA NOVA SALICAEARUM E CHINA BOREALI-ORIENTALI
    Fang Cheng-fu
    Bulletin of Botanical Research    1984, 4 (1): 123-127.  
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    A NEW SPECIES OF ATHYRIUM FROM N.E.CHINA
    Chien Jia-ju
    Bulletin of Botanical Research    1984, 4 (1): 128-129.  
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    THE CHARACTERISTICS OF HUNAN FLORA
    Qi Cheng-jin
    Bulletin of Botanical Research    1984, 4 (1): 130-145.  
    Abstract310)      PDF(pc) (1106KB)(309)       Save
    Geologically Hunan province belongs to a part of SouthChina which has not been covered by the sea since the TriassicPeriod. As the sea receded a variety of land plants such as Bennettitales, Cycadales, Ginkgoales etc. began to appear. Therecent conifers and angiosperms originated and developed inthe Jurassic and Cretaceous periods. By the end of the Ter-tiary Perioe, the majority of Hunan flora had been established and were taxonomically similar to the recent flora; they seemed to have suffered no severy damage from the subsequent Quaternary ice. Thus, the genera and species number in Hunan are plentiful and complex, and a great number of relic, ancient, and primitive species have been conserved. Flowering plants and ferns in Hunan include about 244 families, 1089 genera (1200 genera including cultivated plants) and 4005 species, which represent 16% of China's plant species. Of these, more than 1900 species are woody plants, making up 25.3% of all woody species in China. Although many families are represented in Hunan, a high concentration of genera and species occurs in the following families: Taxaceae, Cephalotaxaceae, Taxodiaceae, Fagaceac, Lauraceae, Magnoliaceae, Theaceae, Hamamelidaceae, Flou-cortiaceae, Elaeocarpaceae, Styracaceae, Alangiaceae, Hydran-geaceae, Nyssaceae, Aceraceae, Aquifoiaceae, Corylaceae, Juglandaceac, Ulmaceae, Lardizabalaceae, etc. These families comprise the fundamental floral composition of Hunan province. Geographical elements (based on geographic distribution)are complex and varied; they may be divided into 13 types of regional distributions. The statistical data and results of these classifications are shown in this paper. Based upon our statistics and analysis, some fundamental characterisites of Hunan flora can be summarized as follows. 1) Floristic elements are complex and varied, originating from varied geographical elements (regional distributions). There are 13 geographical elements and these may be separated into three climatic types; the tropical distribution (481genera, 47.9% of total); the subtropical distribution (225 genera, 22.3% of total); and the temperate distribution (297genera, 29.7% of total). 2) The geomorphological transitions within Hunan province which occur from east to west and from south to north inChina are accompanied by transitional and convergent features of different floristic elements, especially between flora of EastChina and Central China, as well as between the flora of bothNorth and South China. 3) As stated above, the richness in relic and ancient types, as well as in monotypic and oligotypic types show that the floristic origin is ancient, perhaps representing Tertiary flora on the whole. 4) The flora are rich in endemic species of Asia, China, and East Asia-North America. These three compositions include 280 genera, making up 28% of the total flora of Hunan, and represent Ginkgo, Metasequoia, Cathaya, Eucommia, Bretschneidera, Davidia, etc. which are essential components of east asian flora. The relations of Hunan flora to the neighboring areas are described and discussed in this paper.
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    A NEW VARIETY OF METASEQUOIA GLYPTOSTROBOIDES
    Long Yao-hwa, Wu Yue
    Bulletin of Botanical Research    1984, 4 (1): 146-152.  
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    NOTULAE DE BORAGINACEIS SINENSIBUS
    Wang Wen-tsai
    Bulletin of Botanical Research    1984, 4 (2): 1-13.  
    Abstract238)      PDF(pc) (1149KB)(188)       Save
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    MATERIAE NOVAE GENERIS ARTEMISIAE CHINENSIS(Ⅰ)
    Ling Yeou-ruenn
    Bulletin of Botanical Research    1984, 4 (2): 14-34.  
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    ON CONVERGENT CHARACTERS IN CHINESE LILIACEAE(s.l.)——BERRY VS.CAPSULE
    Tang Yan-cheng, Liang Song-yun
    Bulletin of Botanical Research    1984, 4 (2): 35-58.  
    Abstract294)      PDF(pc) (1280KB)(134)       Save
    Convergent evolution has been long recognized, although it may be difficult to determine exactly what had happened in a particular case. For the purpose of phylogenetic classification, we would like to detect convergences from resemblances among groups. Analyzing habitat data of Chinese Liliaceous plants given in Flora Reipublicae Popularis Sinicae vols. 14 and 15, the authors has discovered a fact that the fruit character, capsule or berry is usually correlated with ecological preferences of plants in the group. The genera with capsule. e. g. Tofieldia, Chionographis, Heloniopsis, Ypsilandra, Veratrum, Tricyrtis, Eremurus, Anemarrhena, Chlorophytum, Diuran-thera, Thysanotus, Hosta, Hemerocallis, Gagea, Lloydia, Tulipa, Fritillaria, Lilium, Nomocharis, Notholirion, Allium, Aletris have their members mostly growing in open places, such as grassland, meadow, thicket, forest margin …… etc. and the members of the genera with berry, e. g. Tupistra, Aspidastra, Clintonia, Smilacina, Maianthemum, Disporum, Streptopus, Polygonatum, Disporopsis, Trillium, Smilax, Heterosmilax are mostly growing in forest. Liriope, Ophiopogon, Peliosanthes and Paris sect. Euthya, though mostly ( Liriope?) inhabit forest, have their seeds cha-racteristic of brilliant greenish blue or red fleshy seed coat, and exposed after dehiscence of capsule. In this way, such berry-like seeds are clearly involved in the correlation with environment and achieve the dispersal advantages exhibited by berry. The reason why the forest-living genus Petrosavia has follicle-like capsule is not clear. Its saprophytic or mycotro-phic character is likely to correlate with forest habitat. Utech(1979) has carefully studied floral vascular anatomy of Theropogon and Convallaria of tribe Convallarieae and found that the two genera are similar in berry fruit but different in pattern of vascularization. He comes to the conclusion that this similarity is the result of convergent evolution. Considering Utech's conclusion as well as the correlation between habitat and fruit character pointed out in this paper it may be argued with some certaint that the convergence had happened in fruit character. So we consider that whether the character of berry or capsule can be used as a tribal taxonomic character as in most Liliaceous classification system should be given a further closer scruting in each case.
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    NOTULAE DE PLANTIS TRIBUS CYNAREARUM FAMILIAE COMPOSITARUM FLORAE SINICAE(Ⅲ)
    Shin Chu
    Bulletin of Botanical Research    1984, 4 (2): 59-66.  
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    A STUDY ON THE TAXONOMY OF THE GENUS MYRICARIA DESV.IN CHINA
    Zhang Pan-young, Zhang Yao-jia
    Bulletin of Botanical Research    1984, 4 (2): 67-80.  
    Abstract325)      PDF(pc) (885KB)(258)       Save
    This paper is an attempt to propose a systematic arrangement and study of the genus Myricaria Desv., the history of study and the geogrophic distribution of the genus Myricaria Desv. is presented in the paper. This is a small genus witg 13 species in the world. There are only 10 species and 1 variety of Myricaria Desv. in China, including new species new ranks and new varieties in the present paper. The present paper gives a summary accaunt of character and distribution conditions of the species. The another clears up some confusions of the taxonomy and offers his new ideas on the subject. Myricaria Desv. is an alpine genus in the temperate zone Europe and Asia. Myricaria Desv. are distributed in Europe and Asia of northern temperate Zone, mainly in Xizang (Tibet)Province, China as well as its neighbourhood, with Himalayas as the center of the distribution pattern of this genus.
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    ATAVISTIC SPIKELETS OF BISEXUAL STRUCTURE IN GENUS CAREX
    Su Song-wang
    Bulletin of Botanical Research    1984, 4 (2): 81-86.  
    Abstract304)      PDF(pc) (402KB)(140)       Save
    This paper reports on the atavistic spikelets of Carex da-bieensis and C. polyschoena. One of the types in the atavistic spikelets of them has quite the same structure as those of Kobresia and Schoenoxiphium. In the form of spikelets they bear a male flower above the female. As Figure Ⅰ shows that type(3) of the atavistic spikelets in C. dabieensis, C. polyschoena is not foundamentally different from types l and 2 of Schoencxiphium, Kobresia. The discovery of the atavistic spikelets demo-nstrate that a unit of utricle is a ture spikelet of Carex, and may prove that the unisexual spikelets of presentday Carexare derived from anccstors with bisexual spikelets. It is the-refore possible to believe that the discovery of the atavistic spikelets with bisexual structure exhibites further the phylogentic interrelationship between Schoenoxiphiun, Kobresia and Carex of the Caricoideae.
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    POLLEN MORPHOLOGY OF THE FAMILY THYMELAEACEAE IN CHINA
    Liu Bing-lun
    Bulletin of Botanical Research    1984, 4 (2): 87-102.  
    Abstract293)      PDF(pc) (3843KB)(164)       Save
    The pollen grains of 8 genera, 22 species, 3 varieties in Chinese Thymelaeaceae were observed by means of light and scaning electron microscope in the present paper. Pollen morphology of the family Thymelaeaceae is typically stenopalynous. Grains pantoporate, spheroidal or subspheroidal, diameter 18.2-39.0 β; pore number 4-24, pores rounded. pores diameter 0.6-3.9 β, distance between pores 2.0-10.4 μ; exine 2.0-5.2 μ thick; sexine reticulate-croton pattern or tubercular. Based on types of ornamentation, pollen grains of the family Thymelaeaceae were divided into two types-the tubercular and reticulate croton pattern. In addition, the reticulate-croton patterrs and systematic position of the family Thymelaeaceae in the angiosperm were discussed.
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    NEW TAXA OF ARACHNIODES BLUME IN CHINA(Ⅰ)
    Hsieh Yin-tang
    Bulletin of Botanical Research    1984, 4 (2): 103-111.  
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    NEW MATERIALS OF CHINESE BALANOPHORA
    Tam Pui-cheung, Fang Ding
    Bulletin of Botanical Research    1984, 4 (2): 112-115.  
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    THREE NEW SPECIES OF ARDISIA(MYRSINACEAE)FROM SICHUAN
    Zhu Zheng-yin
    Bulletin of Botanical Research    1984, 4 (2): 116-122.  
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    SOME NEW VARIETIES OF ERAGROSTOIDEAE AND PANICINAE
    Chen Shou-liang, Zhuang Ti-de, Yang Xi-ling
    Bulletin of Botanical Research    1984, 4 (2): 123-125.  
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    NEW MATERIALS FOR CHINESE CUCURBITACEAE
    Lu An-ming, Zhang Zhi-yun
    Bulletin of Botanical Research    1984, 4 (2): 126-128.  
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    NEW TAXA OF SAGITTARIA L.FROM HUBEI
    Chen Jia-kuan, Sun Xiang-zong, Wang Hui-qin
    Bulletin of Botanical Research    1984, 4 (2): 129-132.  
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    A NEW RECORDED GENUS OF GRAMINEAE FROM CHINA
    Sun Bi-sin, Wang Song
    Bulletin of Botanical Research    1984, 4 (2): 133-135.  
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    TWO NEW SPECIES OF THERMOPSIS R.Br.FROM CHINA
    Wei Si-qi
    Bulletin of Botanical Research    1984, 4 (2): 136-141.  
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    NEW FERNS FROM SHANDONG PROVINCE
    Li Jian-xiu
    Bulletin of Botanical Research    1984, 4 (2): 142-146.  
    Abstract377)      PDF(pc) (546KB)(130)       Save
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    A NEW SPECIES OF THE GENUS ACTINIDIA FROM SICHUAN
    Chang Che-yung, Liu Pei-song
    Bulletin of Botanical Research    1984, 4 (2): 147-149.  
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    SPECIES NOVA GENERIS ATRAPHAXIS L. (POLYGONACEAE)E XINJIANG
    Yana Chang-you
    Bulletin of Botanical Research    1984, 4 (2): 150-151.  
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    A NEW SPECIES OF MICHELIA FROM CHINA
    Law Yuh-wu, Wu Young-fen
    Bulletin of Botanical Research    1984, 4 (2): 152-154.  
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    A NEW SPECIES OF BETULA FROM SHANDONG
    Liang Shu-bin
    Bulletin of Botanical Research    1984, 4 (2): 155-156.  
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    NOTES ON IXIOLIRION OF CHINA
    Qian Xiao-hu
    Bulletin of Botanical Research    1984, 4 (2): 157-158.  
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    A NEW SPECIES OF SORBUS FROM SHANDONG
    Li Fa-zeng, Chen Xi-dian
    Bulletin of Botanical Research    1984, 4 (2): 159-161.  
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    NEW FERNS FROM JINFOSHAN,NANCHUAN,SICHUAN(Ⅱ)
    Ching Ren-chang, Liu Zheng-yu
    Bulletin of Botanical Research    1984, 4 (3): 1-32.  
    Abstract288)      PDF(pc) (6098KB)(280)       Save
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    MATERIA AD FLORA MELASTOMATACEAE SINENSIUM
    Chen Cheih
    Bulletin of Botanical Research    1984, 4 (3): 33-68.  
    Abstract352)      PDF(pc) (1981KB)(165)       Save
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    POLLEN MORPHOLOGY OF TRIGONOTIDEAE
    Xi Yi-zhen
    Bulletin of Botanical Research    1984, 4 (3): 69-81.  
    Abstract404)      PDF(pc) (2159KB)(249)       Save
    The present paper deals with studies of the pollen morphology of the tribe Trigonotideae (Boragidaceac-Boraginoi-deae), containing five genera, i. e. Trigonotis, Brachybotrys, Sinojohnstonia, Omphalotrigonotis and Mertensia. The pollen grains of 26 species belonging to these genera respectively were examined with the light microscope and scanning electron microscope. The pollen morphology of the genera in question is distinctly different between each other and may furnish valuable characters for distinguishing them and for supporting the establishment of the new genus, Omphalotrigonotis, An analytical key to the pollen grains of the five genere is as follows:1. Pollen grains dumbbellform in equatorial view, more or less constricted in equatorial region, tricolporate and tripseudocolpate. 2. Pollen grains the smallest in the tribe Trigonotideae. exine almost psilate………………………… Trigonotis Stey. 2. Pollen grains larger, exine with ornamentations. 3. Exine foveolate………………………… Sinojohnstonia Hu 3. Exine fillely granulate or spinulate. 4. Exine finely granulate………………………… Mertensia Roth. 4. Exine spinulate………………………… Blachybotrys Maxim. ex Oliv. 1. Pollen grains rhombic in equatorial view and not constricuted in equatorial region, tricolporate, not pseudocolpate. exine finely reticulate………………………… Omphalotrigonotis W. T. Wang.
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    PLANTAE NOVAE HEPATICARUM SINARUM
    Chang Kuang-chu, Gao Chien
    Bulletin of Botanical Research    1984, 4 (3): 83-99.  
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    NEW TAXA OF CORNACEAE FROM CHINA
    Hu Wen-kuang
    Bulletin of Botanical Research    1984, 4 (3): 101-112.  
    Abstract165)      PDF(pc) (668KB)(148)       Save
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    TWO NEW SPECIES OF ELATOSTEMA(URTICACEAE)FROM SICHUAN
    Wang Wen-tsai
    Bulletin of Botanical Research    1984, 4 (3): 113-117.  
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