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中文
Table of Content
15 December 1996, Volume 16 Issue 4
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THE STUDY OF BEECH FOREST CLASSIFICATION IN GUANGXI
Wang Xian-pu, Li Jun-qing
1996, 16(4): 369-404.
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THE NOMENCLATURE OF COMPOSITAE IN LI SHI-ZHEN'S BENCAO GAN MU, THE COMPEN DIUM OF MATERIA MEDICA
Ling Yeou-ruenn
1996, 16(4): 405-412.
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The distribution of the genus Caragana is typical AsiaTemperature type(Fig.1), but one species migrated to the subtropical zone of Asia, four to the European and one differentiated in cool Atarctic zone. According the simility of species distribution of caragana , six distribution types were divided, East-Asia type, Middle-Asia type, Mongolia-plateau type, Tibet-plateau type, Black-sea type and Discontined type. Each distribution type have a catalogue (section) dominated. The formation of each type and the relation among the types were discussed. Density map (Fig.2) show that there are two density centres in the genus Caragana, East-Asia centre and Middle-Asia centre. The former is original centre which has total sections of the genus with 16 species, the latter is variety centre which only have 3 evoluted sections with 15 species. At last, the paper discussed the origin and differentiation of the genus Caragana from Tertiory.
A NEW SPECIES OF STEMONA FROM SHANDONG PROVINCE
Zang De-kui, Peng Wei-dong
1996, 16(4): 413-414.
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A NEW VARIETY OF ILLICIUM FROM CHINA
Lin Qi, Liu Nian
1996, 16(4): 415-416.
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224
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NEW SPECIES OF FERN ALLIES FROM GUIZHOU
Wang Xiao-ying, Wang Pei-shan
1996, 16(4): 417-419.
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A NEW SPECIES OF EUONYMUS FROM GANSU
Ren Ji-wen, Yao De-shen
1996, 16(4): 420-422.
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A NEW SPECIES OF PTERIS L.FROM YUNNAN
Deng Li-lan
1996, 16(4): 423-425.
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A NEW VARIETY OF ACER FROM JILIN
Cao Wei, Fu Pei-yun
1996, 16(4): 426-427.
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423
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STUDY ON DISTRIBUTION OF THE GENUS CARAGANA FABR.
Zhou Dao-Wei
1996, 16(4): 428-435.
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The distribution of the genus Caragana is typical Asia Temperature type(Fig. 1), but one species migrated to the subtropical zone of Asia, four to the European and one differentiated in cool Atarctic zone. According the simility of species distribution of caragana, six distribution types were divided, East-Asia type, Middle- Asia type, Mongolia-plateau type, Tibet- plateau type, Black- sea type and Discontined type. Each distribution type have a catalogue (section) dominated. The formation of each type and the relation among the types were discussed. Density map (Fig. 2) show that there are two density centres in the genus Caragana, East- Asia centre and Middle- Asia centre. The former is original centre which has total sections of the genus with 16 species, the latter is variety centre which only have 3 evoluted sections with 15 species. At last, the paper discussed the origin and differentiation of the genus Caragana from Tertiory.
SOME NEW RECORDS OF ACROCHAETIACEAE FROM CHINA,Ⅱ
Luan Ri-xiao, Zhan Jing-xu, Yin Chun-hua, Xu Qing-lian
1996, 16(4): 436-440.
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Six species of Acrochaetiaceae are reported as new record to China, i. e.(1) Audouinella codii,(2) A. codicola,(3) A. emergens,(4) A. purpurea,(5) A. ryukyuense,(6) A. sancti- thomae.
DISCUSSION ON THE VALIDITY OF
EUTHRYPTOCHLOA COPE
(GRAMINEAE) AS GENUS BY LEAF EPIDERMIS
Chen Shou-liang, Jin Yue-xing, Wu Zhu-jun
1996, 16(4): 441-444.
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This paper deals with the validity of
Euthryptochloa Cope
by leaf epidermis. According to the characters of leaf epidermis and gross morphology, distribution, it is very similar to the Gen. Phaenosperma Munro ex Benth. According to the priority of International Code, the monotypic genus
Euthryptochloa Cope
should be referred to monotypic genus Phaenosperma Munro ex Benth.
A STUDY ON THE GENUS YINSHANIA
Zhang Yu-hua
1996, 16(4): 445-454.
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In this paper the chromosome numbers of
Yinshania
and
Hilliella
are studied for expressing the systematic rela tionship and the classification problem of both genera. The chromosome numbers as follows:Yinshania:
furcatopilosa
, 2n=12; Y.henryi, 2
n
=12;
Y.qianningensis
, 2n=12;
Y.acutangula
, 2n=14.
Hilliella changhuaensis
, 2n=42;
H.paradoxa
, 2n=44;
H.shuangpaiensis
, 2n=44;
H.sinuata
, 2n=42;
H.yixianensis
, 2n=42. The chromosome numbers, morphology and geographical distribution support dealing with
Yingshania
and
Hilliela
as two independent genera respectively. A key to related genera is given.
Yinshania
is endemic to China. Analysis of the evolutionary trends of some characters shows that the Sect. Yinshania is primitive, and the Sect. Microcarpae is advanced. After investigating the distribution pattern of the genus, it is considered that Western Sichuan and its adjacent area is the center of differentiation and distribution of
Yinshania
in recent times.
Yinshania
perhaps originated from this area, differentiated and migrated by the Himalaya orogenesis and by a series of world-wide climatic fluctuations.
SEED COAT MICROMORPHOLOGY OF GENTIANACEAE IN XINJIANG
Ge Xue-jun
1996, 16(4): 455-458.
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Scanning electron microscopy of the seed coats of 18 species from 5 genera of Gentianaceae from mountainous regions of Xinjiang, North-Western China, reveals a high diversity of seed micromorphology. Two main types can be distinguished. The first comprises
Gentiana, Gentianopsis
and
Swertia
with sculptured seed coats. It may further be divided into three sub-types, each of which corresponds to a genus. The second type is characterized by smooth seed coats and is observed in
Gentianella
and
Halenia
.
SPUDY ON MORPHOLOGICAL CHARACTERISTICS OF POLIEN OF PADUS
Han Ying-lan, Yang Chang-you
1996, 16(4): 459-462.
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This paper is the first report on the morphological characteristics of pollen of three species of
Padus
in China and the results showed that the species of
Padus
can be classified on the basis of the morphology, size, and exine sculpture of pollen.
P.asiatica
Kom.has pollen grains with size 32.0×25.5
μ
m, finely curved strialion, and marked perforation and var.subglabra has pollen grains with relatively large size 37.5×17.7
μ
m and more per-foration.The species with pollen grains size 32.0×24.4
μ
m, finely strainght striation, and less perforation is
P.avium
Mill.and the species with pollen grains size 21.0×22.1
μ
m, widely straight striation, and indistinctive perforation is
P.beijingensis
Y.L.Han et C.Y.Yang sp.nov.
POLLEN MORPHOLOGY OF SOME RUBUS SPECIES
Chen Shao-feng, Ye Ju-xin, Zhu Xiang-ling, Yu Yang-fan
1996, 16(4): 463-466.
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Pollen morphology of 10 species in the genus
Rubus L
. was examined with the aid of scanning electron microscope(SEM). Pollen grains of the genus are subspheroidal or prolate, subeircular or elliptical in equatorial view, 3- lobed- subspheroidal or obtuse- triangular in polar view. Tricolporate, colpiobvious. Exine striate, striate reticutate or reticutate. A key to all studied speciesw as given. Relations between pollen morphology and exomorphology are discussed.
STUDIES ON MICROMORPHA OF THE SEED COATS OF
LARIX GMELINI
FROM EIGHTEEN PLACES
Qiao Chen, Gong Cai-xia
1996, 16(4): 467-470.
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The micromorphologic features of the seed coats of
Larix gmelini
from eighteen places were observed under Scanning electron microscope. The dorsal ornamentation of the seed coats are all striped and retioculate. The ventral ornamentation are similar to the cerebelloid. There are three types morpha around seed pores and the ornamentation are striped and wrinkly. The or namentations are relatively stable in species, but the varia tion of the ventral ornamentation are wider than the dorsal ornam entation. The or namentation of the seed coats can be regarded as one of the bases for seeds identification of
Larix gmelini
.
STUDIES ON THE POPULATION DIFFERENTIATION OF ARALIA ELATA (Miq.) SEEM.(Ⅰ) ANALYSIS OF THE KEY TAXONOMIC CHARACTERS
Ye Wan-hui, Kuang Hai-xue, Lou Yan-ming, Sang Li-jun
1996, 16(4): 471-476.
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The key characters of the ligniferous species of
Aralia
, collected from Xiaoxingan Mountains, Zhangguangcai Mountains, Wandashan Mountains of Heilongjiang province, had been analyzed. With the analysis of LSR (Length of secondary rachis of the infloresoence) and LLP (Length of Leaflet petiole of the compound leaf), the specimens can be divided into 2 taxa. But there are some continuous variation and overlaps in these characters, so these 2 taxa can not be regared as independent species. It is reasonable to regard them as one species (
A.clata
), and put the taxon that is corresponded with the characters of
A.mandshurica
into
A.elata
, as a new combination variety. Therefore, the ligniferous species of
Aralia
in northeast of China, are identified and named as
A.elata
(Miq.) Seem. and
A.elata
(Miq.) Seem. var.
mandshurica
W. H. Ye(stat.nov.).
THE RELATIONSHIPS BETWEEN DIURNAL CHANGES OF PHOTOSYNTHESIS AND TRANSPIRATION OF PUCCINELLIA TENUIFLORA AND THE CLIMATE FACTORS
Yan Xiu-feng, Sun Guo-rong, Xiao wei
1996, 16(4): 477-484.
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The diurnal chang es of photosynthesis and transpiration of bo th natural and planted one to three years
Puccinellia tenuiflora
at heading stage, climate factors such as light in-tensity, atmospheric temperature, ground temperature, CO
2
? concentration and relative humidity are measured.The relationships between diurnal changes of photosynthesis and transpiration of
P.tenuiflora
and the climate factors are analysed by correlation coefficient and path coefficient analysis.The relative humidity of atmosphere affects the diurnal changes of the photosynthesis and transpiration characters suth as photosynthesis rate, transpiration rate and water use efficiency of
P.tenuiflora
at heading stage most, follow ed by the ground temperature and CO
2
? concentration.The light intensity and atmospheric temperature influence the diurnal changes of photosynthesis and transpiration characters indirectly by acting on the relative humidity of atmosphere.
STUDIES ON THE RELATIVE LAW BETWEEN ANNUAL DEVELOPMENT AND DYNAMIC ACCUMULATION OF ACTIVE COMPOSITIONS IN ASARUM HETEROTROPOIDES VAR.MANDSHURICUM
Wang Dong, Du Xiao-wei, Liu Mei, Liu Ming-yuan
1996, 16(4): 485-488.
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The contents of essential oils, methyleugenol and safrole in the root system and aerial part of six-y ear-old cultiv ated
Asarum heterotropoides
var.
mandshuricum
were determined in different development period.The result showed that the essential oils existed mainly in root system.Its high accunulative peak was in the blooming period.The co ntents of methyleug enol and safrole in root system show ed two high peaks in one year.One was from April to M ay (from budding to blooming period); Another was in vegetative growth period after bearing fruits.The high content peaks of methyleugenol and saftole in aerial part were all in blooming period.After this period, their contents decreased gradually.
STUDY ON SEASONAL DYNAMICS OF ABOVEGROUND BIOMASS AND GROWTH RATE OF
DEYEUXIA ANGUSTIFOLIA
POPULATION IN MARSH MEADOW ON SANJIANG PLAIN
Ni Hong-wei, Zang Shu-ying, Gao Yi-ke
1996, 16(4): 489-495.
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Deyexia angustisfolia is a dominant species in marsh meadow on Sanjiang plain.its seasonal dynamics of aboveground biomass, ABI, AAGR, ARGR are all as single peak type, reach their maximum values at the end of July, and are 385.05 g/m
2
, 230.96g/m
2
, 14.6830g/d and 0.0638g/g·d.respectively, BI, AGR and RGR are positive before the end of July, and negetive after that.Their maximum values are all appeared between the end of June to the middle of July are 107.97g/m
2
, 7.7121g/d and 0.0274g/g·d respectively.Meanwhile BI with AGR and RGR, ABI with AAGR and ARGR have very significant linear relationships.
THE DEVELOPMEN T MORPHOLOGY OF THE TRICHOMES OF THE PLAN TS IN THE NORTH- EAST CHINA: Ⅰ.THE DEVELOPMENT MORPHOLOGY OF THE TRICHOMES IN
GLECHOMA HEDERACEA
L.VAR.
LONGITUBA
NAKAI
Yu Li-jie, Gui Ji-zhe, Zhang Da-wui, Wang Feng-chun
1996, 16(4): 496-499.
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The onto geny and structures of the trichom es which are distributed on mature leaf and tip of stem in Glechoma hederaea L.var.longituba Nakai were observ ed with light microscope and SEM.The trichom es include three types, which are the glandular hair with 8-secreto ry cells, the glandular hair with 2-secretory cells and the multicellular simple hair.
TWO NEW SPECIES FROM TRICHOSANTHES (CUCURBITACEAE)
Yueh Chun-his, Huang Lu-qi, Cheng Ching-yung
1996, 16(4): 500-503.
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Trichosanthes referacta Yueh et L.Q.Huang, Trichosanthes laeoica C.Y.Cheng et L.Q.Huang two new species of the genus Trichosanthes (Cucurbitaceae), the diagnostic characteristics that differentiate these new species from all other species of Trichosanthes are described herewith.
