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    Bulletin of Botanical Research 1990 Vol.10
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    TAXA NOVA ROSACEARUM SINICARUM (Ⅵ)
    Ku Tsue-chih
    Bulletin of Botanical Research    1990, 10 (1): 1-15.  
    Abstract307)      PDF(pc) (1009KB)(288)       Save
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    MATERIAE NOVAE GENERIS ARTEMISIAE CHINENSIS (Ⅳ)
    Ling Yeou-ruenn
    Bulletin of Botanical Research    1990, 10 (1): 17-22.  
    Abstract163)      PDF(pc) (413KB)(155)       Save
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    NEW PLANTS OF GERANIUM FROM SICHUAN (Ⅱ)
    Tan Zhong-ming
    Bulletin of Botanical Research    1990, 10 (1): 23-28.  
    Abstract275)      PDF(pc) (402KB)(135)       Save
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    A NEW SPECIES OF PEDICULARIS
    Yang Han-pi
    Bulletin of Botanical Research    1990, 10 (1): 29-30.  
    Abstract320)      PDF(pc) (139KB)(137)       Save
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    A NEW SPECIES OF RHODODENDRON FROM ZHEJIANG CHINA
    Ding Bing-yang, Fang Yun-yi
    Bulletin of Botanical Research    1990, 10 (1): 31-33.  
    Abstract262)      PDF(pc) (167KB)(167)       Save
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    A NEW SPECIES OF THE CORYLUS FROM CHINA
    Liu Qi-xian, Zhang Can-ming
    Bulletin of Botanical Research    1990, 10 (1): 35-37.  
    Abstract323)      PDF(pc) (195KB)(135)       Save
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    A NEW SPECIES OF ARISTOLOCHIA FROM SICHA
    Yang Zheng-lu
    Bulletin of Botanical Research    1990, 10 (1): 39-41.  
    Abstract325)      PDF(pc) (197KB)(126)       Save
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    A NEW SPECIES OF SEDUM FROM SHANDONG
    Zhang Yah-rain, Chen Xi-dian
    Bulletin of Botanical Research    1990, 10 (1): 43-44.  
    Abstract296)      PDF(pc) (123KB)(145)       Save
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    A NEW SPECIES OF CARYOPTERIS FROM CHINA
    Yang Yong-kang, Cong Xiao-dong
    Bulletin of Botanical Research    1990, 10 (1): 45-47.  
    Abstract311)      PDF(pc) (172KB)(187)       Save
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    A NEW SPECIES OF GENUS SERIPHIDIUM (BESS.) POLJAK. FROM CHINA
    Ling Yeou-ruenn
    Bulletin of Botanical Research    1990, 10 (1): 49-51.  
    Abstract235)      PDF(pc) (183KB)(139)       Save
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    A NEW VARIETY OF AESCULUS FROM YUNNAN
    Li Xiang-wang, Yin Wu-yuan
    Bulletin of Botanical Research    1990, 10 (1): 53-55.  
    Abstract314)      PDF(pc) (156KB)(168)       Save
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    STUDIES ON STEPHANODISCUS IN CHINA
    Qi Yu-zao, Xie Shu-qi, Edward Theriot
    Bulletin of Botanical Research    1990, 10 (1): 57-68.  
    Abstract533)      PDF(pc) (3516KB)(175)       Save
    A taxonomic overview on Stephanodiscus Ehr., Centricae, Bacillariophyta were carried out in this study. Seven taxa including species, varieties and forma were described dealing with their morphology, taxonomy, location, habit and distribution. A comparison among these species was made so as to clarify the taxonomic confusion existed before in Stephanodiscus.A discussion relating to the taxonomic problems was made in this paper as well.
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    CLADISTIC ANALYSIS OF POPULUS
    Yu Chao-ying, Zhang Ming-li, Hsu Ping-sheng, Sang Tao
    Bulletin of Botanical Research    1990, 10 (1): 69-76.  
    Abstract349)      PDF(pc) (543KB)(226)       Save
    The present paper deals with a cladistic analysis of 15 species of the genus Populus using 23 characters (13 vegetative and 10 reproductive).Idesia, a genus of Flacourtiaceae, is adopted to be the outgroup based on recent data of angiosperm macrosystem as well as evidence of morphological characters. The characteristic polarities of the species of Populus involved are then determined by employing the recent common anesstor (ANC)- Idesia. The Wagner tree is constructed on the basis of parsimonious analysis. The result indicates that there are three evolutionary lines in the genus Populsu:the first is the most primitive Sect. Lence; the second, which includes Sect. Leucoides and Sect. Tacamahaca, is considered as the most variable one; and the third includes the most advanced Sect. Aigeiros and Sect. Aigeiros and Sect. Turanga. A close relationship between Sect. Leuce and Sect. Leucoides is recognized. Sect. Turanga is the most advanced one in Populus. The morphological variation and geographic distribution of Sect. Tacarrahaca in China are discussed.
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    CONTRIBUTION TO THE FLORA OF CHINA AND NORTHEAST CHINA
    Qian Hong
    Bulletin of Botanical Research    1990, 10 (1): 77-79.  
    Abstract342)      PDF(pc) (168KB)(220)       Save
    Recent botanizing in Mt. Changbai has added to our knowledge of the flora of China and NE. China. Eight plants reported here and new to the flora of NE. China are: Cladonia favillicola Trass, C. macroceras (Delise) Ahti, C. subcervicornis(Vain) DuRietz., C. subfurcata (Nyl.)Arn., Pol-trichum fragile Bryhn, Bryum purpuracens (R. Brown) B. S. G., Grimmia affinis Hornsch., Nepeta cataria L., including five plants (the first five plants mentioned above) new to the flora of China. In addition, one scientific name, Androsace lehmanniana Spreng.,new to the flora of NE. China presented in the paper.
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    NEW RECORDS OF THE DIATOMS FROM CHINA
    Yang Ji-gao
    Bulletin of Botanical Research    1990, 10 (1): 81-85.  
    Abstract310)      PDF(pc) (308KB)(134)       Save
    This paper records 3 species, 2 varieties and 1 form.They belong to 3 genera and 2 families of Bacillariophyta, respectively. They are Stauroneis phoenicentron var. brunu (M. perag.& Herib.) Voigt; Stauroneis phoenicenteron f. gracilis (Ehr.) Hust:pinnularia biceps Greg;pinnularia divergens var. undulata (M. Perag.& Herib.) Hust; Pinnularin abaujensis (Pant.) Ross; Gomphonema subtile Ehr. All of these diatoms are first records in China.
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    CLASSIFICATION AND DISTRIBUTION OF PHANEROPHLEBIOPSlS CHING
    Xie Yin-tang
    Bulletin of Botanical Research    1990, 10 (1): 87-91.  
    Abstract322)      PDF(pc) (296KB)(159)       Save
    Phanerophlebiopsis is a small genus in Dryopteridaceae, also an endemic genus of China. It was first founded by Ching, in 1965, but more pteridologists don't know it. Up to now, 9 species recognized, the provinces Guizhou and Hunan are its centre of distribution, thence it spreads northwardly to southeastern part of the province Sichuan, eastwardly to the province Jiangxi, southwardly to the province Guangxi and westwardly to the province Yunnan.A description of genus, a key of the species and mapof geographical distributonal area are given in tu paper.
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    SAUDY ON THE POLLEN MORPHOLOGY OF CALYCANTHUS L.
    Li Lin-chu
    Bulletin of Botanical Research    1990, 10 (1): 93-98.  
    Abstract298)      PDF(pc) (1373KB)(213)       Save
    In the present paper it is reported that the pollen morphological characters of Calycanthus chinensis Cheng et S. Y. Chang were examined by scanning electron microscope for the first time and compared with that of C.ilordusf L. and C. occidentalis Hook. et Arnott (Table 1, Plate Ⅰ, Ⅱ). The comparison shows that the former was more primitive,the latter advanced, And Calycanthus might originate in Eastern Asia (China) from C. chinensis. The results were the same as the conclusions based on cytology, morphology and so on [1,2]. As the many differences among C. chinensis, C. floridus and C. occidentalis the author recognized that monotypic Sinocaly canthus Cheng et S. Y. Chang, whose type was S. chinensis (Cheng et S. Y. Chang) Chang et S. Y. Chang (= Calycanthus chinensis), would be admited perhaps.
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    OBSERVATIONS ON THE MORPHOLOGY AND MEIOSIS OF INTERSPECIES HYBRID TRIPLOID IN ACTINIDIA
    Xiong Zhi-ting
    Bulletin of Botanical Research    1990, 10 (1): 99-103.  
    Abstract310)      PDF(pc) (922KB)(225)       Save
    Observations are reported in present paper on the morphological features and meiosis of the first filial generation (F 1) of Actinidia chinese var. chinese (2n=4x=116)× A. eriantha (2n=2x=58). The hybrid plants are similar to its paternal species in some characters (e. g. flower color) or in some other characters to the materral species (e. g. anther number), while the comprehensive morphological features of the F 1 plants are largely the middle in the interval between the two parent species features. Somatic chromosome number of the hybrid is 2n=3x=87, with two sets coming from A. chinese var. chinese, the other set from A. eriantha. Chromosome configuration at MI of PMC meiosis is 29Ⅱ+29Ⅰ, a typical configuration for a allotriploid. Both male and female plants are highly sterile, therefore the hybrid will be horticulturally unvalued unless some methods of promoting fruit development are available.
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    ADVANCED STUDIES ON METALONICERA
    Wang Mao, Gu An-gen, Wang Li-jun
    Bulletin of Botanical Research    1990, 10 (1): 105-109.  
    Abstract301)      PDF(pc) (1212KB)(194)       Save
    On the base of the previous article the differences of morphological and anatomical characters among " Metalonicera M. Wang et A. G. Gn, gen nov" and Lonicera had been farther studied in the following aspects:
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    REGENERATION AND MANAGEMENT OF LIMESTONE SEASONAL RAIN FORESTS IN GUANGXI FROM POPULATION STRUCTURE AND ECOLOGY
    Wang Xian-pu, Sun Cheng-yong
    Bulletin of Botanical Research    1990, 10 (1): 111-117.  
    Abstract301)      PDF(pc) (519KB)(185)       Save
    Tropical region in China is located on the margin of Asian tropics, so-called northern tropics. In the floristic division, this region belongs to the part of Indomalaysian floristic realm. Large area of limestone mountain is situated in the southwestern Guangxi. There is alsoa certain area of primary forests, which are called limestone seasonal rain forests.Although the community types of limestone seasonal rain forests are various, some types dominated by Burretiodendron hsienmu occupy larger area and have great economic utility. By analysing the population composition and ecological characteristics of different species in community, most edificators belong to the normal type of population, in other words, their individuals distribute in all layers of community, including big tree, small tree, sapling and seedling, with larger number and frequency. They grow very luxuriantly. It shows that they can fit the variation of environment in the whole community carrying on normal growth and regeneration. If there is no human disturbance, they will keep their edificator position in a long period. Some heliophytes only have big trees of upper layer and several small trees of middle and lower layers, but their sapling and seedling are seldom seen. It is obvious that it is difficult to regenerate under shade condition of community. It may be said that they belong to degenerative type of population. But the variation of crown density in a comm-unity may be often occurred, so it is not easy to remove them from the community. They usually get the growing chance in the border of the forest or some part of crown gap which have enough sunshine and they grow very quickly and occupy certain space. However, their individuals are always limited. In such zonal community type, plants which belong to the adventicous type of population are seldom seen. It means that those species, which have a lot of sapling and seedling, are possible of developing into dominant or edificator, but recently lacking trees of upper layers. Because of dominants and edificators in community grow and develop well, the community composition and environment are controled by them and the companion species are relatively steady, it is very difficult to invade the community for other species. All these show that the formation and development of limestone seasonal rain forests is quite suited to the local environmental conditions and it is in a more mature stage of relative stable community type. If there is no anthropogenic disturbances and other strong influence of factors, causing essential change of the crown, the whole community will not take place obvious variation. Even if there occurs some breaking in some parts of crown, it can also recover quickly. Of course, population change of different species in the community will be frequent.In general, limestone seasonal rain forest characterized by Burretiodendron hsienmu mostly is composed of various species with different age in natural condition. In order to promote the regeneration and development of Burretiodendron hsienmu, it must be used that clear cutting in small area and remaining about 15 individuals of parents trees in 1 ha. In such a case, the natural regeneration of Burretiodendron hsienmu will obtain rapid development, then green mountains may be remained by means of selection method and sustained yield working. Recently, it urgently needs to establish natural protected areas, carrying on close hillsides to facillate afforestation, on the one hand, it may be better conserved original natural forests; on the other hand, it is possible to quickly recover some cutting blanks into forest. Now four reserves have been established in the centre of distributional area of Burretiodendron hsienmu, more effective management, brings into play multipurpose role of reserve, mentioned above goal will certainly reach.
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    TAXONOMIC REVISION OF THE CHINESE SPECIES OF OPHIORRHIZA (RUBIACEAE)
    Lo Hsien-shui
    Bulletin of Botanical Research    1990, 10 (2): 1-82.  
    Abstract352)      PDF(pc) (5167KB)(229)       Save
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    A NEW SPECIES OF CARAGANA FROM THE NORTHWEST OF CHINA
    Zhao Yi-zhi, Zhou Dao-wei
    Bulletin of Botanical Research    1990, 10 (2): 83-85.  
    Abstract275)      PDF(pc) (190KB)(139)       Save
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    NEW TAXA AND NEW RECORD OF GENUS HIPPURIS L. FROM NORTHEAST CHINA
    Yu Dan
    Bulletin of Botanical Research    1990, 10 (2): 87-90.  
    Abstract306)      PDF(pc) (237KB)(134)       Save
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    STUDY ON THE MOSAIC OF POPULUS EURAMERICANA CV. ‘ROBUSTA’+POPULUS TOMENTOSA
    Li Xing-wen, Dai Xian-de, Dai Cheng-yue, Chen Xue-sen
    Bulletin of Botanical Research    1990, 10 (2): 91-112.  
    Abstract718)      PDF(pc) (4822KB)(127)       Save
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    A REVISION OF GENUS DIPSACUS IN CHINA
    Ai Tie-rain, Chen Hu-biao, Cheng Zhi-ming, Wang Yue-sheng
    Bulletin of Botanical Research    1990, 10 (3): 1-18.  
    Abstract240)      PDF(pc) (7172KB)(107)       Save
    A historical review and brief account of the Chinese Dipsacus are presented as follows, In China this genus comprises 16 species and 2 rarities. of which 3 species and 1 verity are first described here, namely D. daliensis T. M. Ai, D. lijingensis T. M. Ai et H. B. Chen. D. cyanocapitatus C. Y. Cheng et T. M. Ai and D. daliensis var. multifidus H. B. Chen. In addition. D. azureus Schrenk is a new record in China Most of the species of Dipsacus are cen tered in S. W. China and formed the borderline of distribution with one exception of D. japonica Miq.. which is extended into N. E. China, Korea and Japan.
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    NEW TAXA OF ROSACEAE FROM CHINA
    Ku Tsue-chih
    Bulletin of Botanical Research    1990, 10 (3): 19-23.  
    Abstract257)      PDF(pc) (304KB)(133)       Save
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    NEW TAXA OF ELYMUS L. FROM XINJIANG
    Cui Da-fang
    Bulletin of Botanical Research    1990, 10 (3): 25-38.  
    Abstract247)      PDF(pc) (837KB)(164)       Save
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    TRES SPECIES NOVAE GENERIS VITIS E ZHEJIANG
    Chiu Pao-lin
    Bulletin of Botanical Research    1990, 10 (3): 39-43.  
    Abstract224)      PDF(pc) (367KB)(129)       Save
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    NEW TAXA OF SEDUM FROM ANHUI
    Wang De-qun, Wu Zu-fa, Yen Gen-huo
    Bulletin of Botanical Research    1990, 10 (3): 45-50.  
    Abstract276)      PDF(pc) (357KB)(193)       Save
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    A NEW SPECIES OF MAIANTHEMUM——M. NANCHUANENSE
    Li Heng, Hueng Jin-Ling
    Bulletin of Botanical Research    1990, 10 (3): 51-53.  
    Abstract283)      PDF(pc) (182KB)(114)       Save
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    A NEW SPECIES OF ASTEROCAPSA CHU(CHROOCOCCACEAE)
    Cheng Zi-jun, Cai Hui-zhen
    Bulletin of Botanical Research    1990, 10 (3): 55-56.  
    Abstract241)      PDF(pc) (126KB)(105)       Save
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    NEW TAXA OF GENUS PHLEGMARIURUS FROW CHINA
    Ma Chi-yun
    Bulletin of Botanical Research    1990, 10 (3): 57-60.  
    Abstract317)      PDF(pc) (1034KB)(169)       Save
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    A NEW SPECIES OF ASTER FROM SICHUAN
    Zhu Zheng-yin, Min Bai-qing
    Bulletin of Botanical Research    1990, 10 (3): 61-63.  
    Abstract258)      PDF(pc) (204KB)(137)       Save
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    A NEW SPECIES OF THE GENUS SIROCOCCUS
    Li Rong-xi, Shang Yan-zhong, Wang Dong-sheng
    Bulletin of Botanical Research    1990, 10 (3): 65-67.  
    Abstract253)      PDF(pc) (177KB)(107)       Save
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    A NEW VARIETY OF SORBUS FROM SHANDONG
    Liang Shu-bin
    Bulletin of Botanical Research    1990, 10 (3): 69-70.  
    Abstract252)      PDF(pc) (114KB)(131)       Save
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    A NEW VARIETY OF GYNOSTEMMA YIXINGENSE
    Ding Jian-nan
    Bulletin of Botanical Research    1990, 10 (3): 71-72.  
    Abstract275)      PDF(pc) (125KB)(116)       Save
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    HENGDUANG-HIMALAYAN MTS. (HH), A SPECIAL AREA FROM THE FLORISTIC POINT OF VIEW FOR ARTEMISIA L.(COMPOSITAE)
    Ling Yeou-ruenn
    Bulletin of Botanical Research    1990, 10 (3): 73-92.  
    Abstract300)      PDF(pc) (1200KB)(125)       Save
    The "Hengduang-Himalayan Mts.(HH)forest subkingdom" is shown to be Ice Age refuge of Artemisia L. in Quaternary era and also a more recent secondary centre of speciation. The character of the area is discussed from a floristic point of view and it is pointed that the HH may be a specieal area of concentration for Artemisia L. and a secondary centre of distribution for the genus. A catalogue of the genus arranged by floristic elements is added.
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    CLASSIFICATION AND DISTRIBUTION OF CYRTOGONELLUM CHING
    Xie Yin-tang
    Bulletin of Botanical Research    1990, 10 (3): 93-97.  
    Abstract285)      PDF(pc) (306KB)(170)       Save
    Cyrtogonellum is a small genus in Dryopteridaceae, it was first founded by Ching in 1938, but more pteridologists don't known it. Up to now, 8 species of this genus recognized. The province Guizhou is its centre of distribution, thence it spreads northwardly to centre and southeastern part of the province Sichuan, eastwardly to the province Taiwan, southwardly to pass through the province Guangxi to northern part of Viet-nam, westwardly to southeastern part of the province Yunnan The present paper give a description of the genus, a key of the species and a geographical distribution area.
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    THE EFFECT ON COMMUNITY PHOTOSYNTHETIC RATE OF ANEUROLEPIDIUM CHINENSE AFTER IRRIGATION AND FERTILIZATION TREATMENTS
    Qi Qiu-hui, Sheng Xiu-wu, Jiang Shu
    Bulletin of Botanical Research    1990, 10 (3): 99-105.  
    Abstract255)      PDF(pc) (476KB)(92)       Save
    After irrigation and fertilization, the photosynthetic rate of Aneurolepidium chinense community were measured by means of assimilation chamber under field condition, The results are as follows:1. It were measured 23 days after treatments, height of leaf layer of irrigation and irrigation add fertilizatiin were raised 8% and 9%; LAI of community were increased 68.97% and 99.93%; net photosynthesis per day were 2.48 and 3.76 times than contrast respectively; the biggest photosynthetic rate were 2.82 and 3.12 times than contrast respectively.2. After irrigation and fertilization, the type of diurnal change of photosynthetic rate of Aneurolepiium chinense community still were "double peak" curve. They were same with contrast. Only which of irrigation add fertilization (13 days after treatments) was "single peak" type, it hadn't a reduction at the noon time. Showing the type of diurnal change photosynthetic rate may was changed when the conition of water and ferility were better.3. When the temperature and relative humidity were worse or the treatment time was longer, the effects of treatment were apparent. At first measurement, the net photosynthesis per day of irrigation and irrigation add fertilization community were 1.26 and 1.17 times than contrast respecctively. At second measurement, they were 1.4 and 1.84 times respectively. At third measurement, they were 2.48 and 3.76 times respectively.
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    THE STUDY ON ECOLOGICAL SPECIES GROUPS OF PHYTOPLANKTON IN THE POND
    Yang Guo-ting, Zhou Rui-chang, Liu Yun-bo
    Bulletin of Botanical Research    1990, 10 (3): 107-111.  
    Abstract241)      PDF(pc) (318KB)(90)       Save
    In this paper, on the basis of seasonal changes of phytoplankton biomass in the pond, the phytoplankton can be divided into four ecological species groups, according to the adaptive mode of phytplankton to the environment. Ecological species group A has a stronger adaptive ability to the environment, but the competitive ability of that is weaker, The dynamics of ecological species group B is very relative to the content of inorganic nitrogen in the water, and the content of inorganic nitrogen in the water has a little effect on the dynamics of ecological species group C. Ecological species group D always competes with group A and B.
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