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1.
泰国茜草科粗叶木属植物的分类学研究 总被引:4,自引:1,他引:4
在详细检查了K,BM,E,P,AAU,L,KEP,BKF,BK,SING,PSU等标本馆馆藏茜草科粗叶本属Lasianthus Jack.植物标本基础上,研究了泰国产粗叶木属植物的分类学,共归并7个种名,建立3个新种,3 个新变种,1个新等级,以及8个泰国分布新记录种及8个泰国分布新记录变种,确认泰国共有粗叶木属植物52种,1亚种,12变种;讨论了易于混淆的种的界线、它们可能的亲缘关系以及识别要点。 相似文献
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ZHU Hua 《植物分类学报:英文版》2001,39(2):116-150
A taxonomic revision of the genus Lasianthus Jack. from Thailand is made based on
specimens in BKF, BK, L, AAU, K, BM, E, P, KEP, SING and PSU etc. Three species and
three varieties are described as new; a new combination, L. trichophlebus subsp. barbellatus ( Ridley) H. Zhu, is made; eight species and five varieties are found to represent new records to Thailand; seven species, i.e. L. brevidens Craib, L. densifolius Miq., L. incomptus Craib, L.
scalaris Craib, L. penicillatus Craib, L. virgatus Craib and L. zambalensis Elmer, axe reduced
to synonyms; two species, L. brevipes Craib and L. lowianus King et Gamble are moved to the genus Saprosma; the delimitation of some species is clarified. As a result, fifty-two species, one sub-species and twelve varieties are recognized in the genus Lasianthus from Thailand. 相似文献
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The leafhopper genus Lampridius Distant, 1918 (type species: L. spectabilis Distant, 1918 ) is redescribed, and a second species, L. cuspidatus sp. nov. (Thailand: Loei), is described. A related new genus Paralampridius gen. nov. and four new species are described: P. mimicus sp. nov. (China: Guangdong, Hainan), P. rotundatus sp. nov. (Thailand: Loei), P. sinuatus sp. nov. (Thailand: Loei, Suphanburi, Petchaburi), and P. truncatus sp. nov. (Thailand: Chaiyaphum, Ubon Ratchathani). Both genera are tentatively included in the tribe Opsiini, although only Lampridius has paired aedeagal shafts with separate gonopores. All six species are illustrated, and a key is provided for their identification. Problems with the current tribal classification are discussed in light of the present discovery of closely related species that show variation in characters previously assumed to be stable at the tribal level in the subfamily Deltocephalinae. 相似文献
4.
Zhu Hua 《Nordic Journal of Botany》2002,22(5):573-578
Four new species of the genus Lasianthus are described from Thailand and accompanied with taxonomic remarks. These new taxa are: L. ellipsoideus, L. flavi-hirtus, L. loeiensis and L roosianus. One variety, L. politus var. insularis is considered to be a synonym of L. coronatus extending the range of this species to Thailand. 相似文献
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A revision of the Chinese species of Androsace updates our knowledge of
the genus by providing a brief historical survey, character analysis, discussion on generic relationships and geographical distribution, and a key to species currently recognized. For the sake of completeness, the key is supplemented by an enumeration, and a record of the known distribution of each species. Furthermore, some specimen citations and additional notes on species previously very incompletly known are also included. Seven new species and two infraspecific taxa are described. 相似文献
7.
重庆武隆天生桥是国家4A级风景名胜区,处于云贵高原大娄山褶皱带与武陵山系的过渡地带。对该区植物从科、属和种的分布区类型进行了统计分析,另外将该区区系特征与其他几个地区进行了对比分析。结果表明:①该区内有种子植物115科、475属、1292种。②大、中属共有37属,仅占总属数的7.79%,但所含种数达389种,占总种数的30.11%。说明本植物区系中优势属较为明显。③从种子植物科属分布区类型所占比例来看,该地区区系性质以热带成分占优势,其中热带分布属214属,占总属数的50.71%,这一特点与当地的环境特点是密切相关的。④区系分析表明,温带分布类型也占相当优势,有温带分布属203属,占总属数的48.10%,说明该地区区系性质具有热带到温带过渡的性质。⑤中国特有种丰富,共有881种,占总种数的68.83%。⑨经对比分析和聚类分析表明:该区与相距较远地区属的相似性系数较低,表明区系上联系较为疏远;而与邻近的几个地区属的相似性系数较高,特别与西南地区植物区系联系紧密。 相似文献
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Alwyn H. Gentry 《Brittonia》1978,30(2):134-153
The tropical American region of the Pacific Basin is undoubtedly the Basin’s most poorly known region floristically. It is probably also the richest in number of species. I present here a brief history of floristic work in the area, a review of the region’s ecological geography and a summation of the interaction of history and ecology which has led to the present day situation. The current status of floristics in the region is assessed from this perspective and some proposed directions of future floristic research are suggested. 相似文献
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Hubert Kurzweil 《Nordic Journal of Botany》2010,28(1):21-46
A taxonomic review of the Thai species of the orchid genus Peristylus is presented. Seventeen species are recognised, five of them new to Thailand. Peristylus rigidus and P. phuwuaensis are endemic species, new to science, and the widespread P. maingayi and P. mannii have recently been newly recorded in the country. In addition, two further collections do not match any known Thai species, but very much resemble P. nematocaulon from the Himalayas and China. The present study will form the basis for the taxonomic account of Peristylus in the Flora of Thailand. 相似文献
11.
中国茶藨子属的研究 总被引:11,自引:0,他引:11
通过对国产茶藨子属的形态、分类和地理分布的研究,笔者支持把该属置于虎耳草科的观点,不赞成把它分离作为独立的科。另外,认为Rehder系统中所划分的4个亚属较合理,故予以采纳,但笔者对其中的亚属、组和系的划分、各分类类目的内容、系统排列的顺序等诸方面都作了较大修订。从系统发育的观点出发,对亚属的排列次序则和Rehder系统有很大不同,而对组和系的范围及其系统位置也作了较大改动。中国茶藨子属植物初步确定为59种30变种,隶属于4亚属10组15系(包括5新系)。依据对茶藨子属分布区的分析,首次提出了东亚区是茶藨子属植物的现代分布中心,在东亚区中,中国-喜马拉雅森林植物亚区中的横断山脉地区和中国-日本森林植物亚区的西部是茶藨子属发生和发展的关键地区。 相似文献
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In the context of an ongoing revision of the orchid genus Liparis in Thailand, we describe and illustrate a new species under the name L. rubescens Tetsana, H. A. Pedersen & Sridith. Morphologically, it is particularly similar to L. dumaguetensis Ames from the Philippines, but it differs in the shape of the lateral sepals and in several characters of the labellum. Among the Liparis species already known from Thailand, L. atrosanguinea Ridl. bears a certain resemblance to the new species, but not so much as to make misidentifications likely. So far, L. rubescens is only known from Khao Nan National Park in the southern Thai province of Nakhon Si Thammarat, but we suggest that it should also be searched for in other parts of peninsular Thailand, southernmost Myanmar and Peninsular Malaysia. 相似文献
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Carlo Hansen 《Nordic Journal of Botany》1990,9(6):631-635
The new genus Tylanthera and its two species, T. tuberosa and T. cordata , are described. The genus is endemic to Thailand, and the species are known only from their type collections. 相似文献
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Kai Larsen 《Nordic Journal of Botany》2002,22(4):409-417
Three new species of Caulokaempferia from Thailand, C. appendiculata, C. bracteata , and C. violacea , are described and illustrated. The diversity of genus is discussed. A key to the species known from Thailand is provided. 相似文献
15.
EBBE S. NIELSEN 《Systematic Entomology》1988,13(2):171-195
Abstract Bipectilus Chu & Wang, 1985, from China, Nepal, Thailand and Vietnam is redescribed. Eight species are recognized in the genus; two were described previously ( Gorgopis unimacula Daniel and Bipectilus yunnanensis Chu & Wang) and six new species are named. A key to the males is provided and all species and their genitalia are described and illustrated. One new combination is established and one lectotype is designated. Observations on the cuticular anatomy of Bipectilus are presented. The monophyly of Bipectilus is supported by several autapomorphies but the genus also possesses many plesiomorphic traits including spurs on the hind tibia in some species. Bipectilus is placed in the Hepialidae s.str. and the autapomorphies of that taxon are summarized. It is concluded that Bipectilus represents an early lineage within the family, and possibly represents the sister-group of all other Hepialidae s.str. All Asian species originally placed in Gorgopis Hübner are removed from this endemic Afrotropical hepialid genus. 相似文献
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Samantha C. Karunarathna Zhu L. Yang Rui-Lin Zhao Else C. Vellinga A. H. Bahkali Ekachai Chukeatirote Kevin D. Hyde 《Mycological Progress》2011,10(4):389-398
There have been few studies on the taxonomy and biodiversity of the genus Lentinus in Thailand, which is a genus of edible mushrooms. Recently, collections from 17 sites in northern Thailand yielded 47 specimens
of Lentinus sensu lato. Three were shown to be new species of Lentinus sensu stricto and Lentinus roseus, L. concentricus and L. megacystidiatus are introduced in this paper. The new species are described and illustrated with line drawings and are justified and compared
with similar taxa. Furthermore, ITS sequence data do not match closely with any species presently lodged in GenBank. 相似文献
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A powdery mildew fungus on leaves of Dalbergia cultrata var. cultrata (Fabaceae) collected at the Queen Sirikit Botanical Garden in northern Thailand is proven to be a new species of the genus Brasiliomyces and is described as B. chiangmaiensis sp. nov. with light and SEM micrographs. Differences in known Brasiliomyces species are discussed, and a key to species of this genus is provided. 相似文献
20.
Linocarpon species are reported from Pandanaceae in Australia, Brunei, Hong Kong, Nepal, New Zealand, Philippines, Seychelles, Thailand and Vanuatu. Linocarpon lammiae sp. nov. were collected on decaying leaves of Pandanus tectorius in Hong Kong. Linocarpon siamensis sp. nov. and L. suthepensis sp. nov. were collected from decaying leaves of P. penetrans in Thailand. These taxa are described, illustrated and compared with Linocarpon species with similar ascospore morphology and dimensions. Included are a synoptic table, which compares the new species to similar known species, and a dichotomous key to species of Linocarpon known from members of the Pandanaceae. 相似文献