泰国苏柏科一新种金缕草的分类及系统发育地位

IF 0.6 4区生物学 Q4 PLANT SCIENCES

Blumea Pub Date : 2017-05-01 DOI:10.3767/000651917X695209

K. Wangwasit, A. M. Muasya, P. Chantaranothai, D. Simpson

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引用次数: 5

摘要

本文描述了一种罕见的泰国苏柏科新种——丝缕木。这个分类群每秆有一个单顶生小穗具半二列颖片排列，两性花缺乏花被部分，和雌蕊具宿存花柱其基部稍肿胀和三棱小坚果具短柔毛肋。利用ITS序列数据进行系统发育重建，将该分类群定位于Abildgaardieae，与其他的金bristylis属有亲缘关系。该物种处于最不受关注(LC)保护状态。

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Taxonomy and phylogenetic position of Fimbristylis fusiformis, a new species of Cyperaceae from Thailand

Fimbristylis fusiformis, an unusual new species of Cyperaceae from Thailand, is described and illustrated. This taxon has a single terminal spikelet per culm with a semi-distichous glume arrangement, bisexual flowers that lack perianth parts, and pistil with persistent style whose base is slightly swollen and trigonous nutlets with pubescent ribs. Phylogenetic reconstruction using ITS sequence data places this taxon in Abildgaardieae and sister to the rest of Fimbristylis. The species has a conservation status of Least Concern (LC).

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来源期刊

Blumea 生物-植物科学

CiteScore

1.90

自引率

14.30%

发文量

审稿时长

>12 weeks

期刊介绍： An international electronic-only journal on the biodiversity, evolution and biogeography of plants (systematics, floristics, phylogeny, morphology, anatomy). For floristic studies, the focus is on tropical Africa south of the Sahara; tropical Southeast Asia with a strong emphasis on Malesia; South America with emphasis on the Guianas. The language is English.