唐松草屬五新種

2023年12月9日發(作者：學校的英語)

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唐松草屬五新種

王文采

【期刊名稱】《廣西植物》

【年(卷),期】2017(37)4

【摘 要】該文描述了毛茛科唐松草屬五新種:(1)小花唐松草,發現自貴州東北部,與多枝唐松草近緣,區別為其小葉較小,雄蕊較少,花絲較短,呈狹條形.(2)新寧唐松草,發現自湖南南部,與爪哇唐松草近緣,區別為本種的雄蕊花絲呈狹條狀棒形,花只含3~6枚心皮.(3)短蕊唐松草,發現自河南東南部,在體態上與爪哇唐松草十分相似,區別為本種的雄蕊很短,花絲呈絲形,花只含4~6枚心皮.(4)毛蕊唐松草,發現自四川北部,與長柄唐松草有密切的親緣關系,區別為本種的莖和花梗被短柔毛,萼片被緣毛,花藥不具短尖頭,子房密被短柔毛.(5)小金唐松草,發現自四川西部,與白莖唐松草在親緣關系上甚為相近,區別為本種的小葉被微硬毛,雄蕊花絲呈狹條形,花藥頂端無短尖頭或具極小短尖頭,心皮較小,長僅2.4 mm,柱頭無翅.%Five species of the genus

Thalictrum (Ranunculaceae) are described as new from China: (1)

Thalictrum minutiflorum, described from north-eastern Guizhou Province,

is related to m Boivin, differing in its smaller leaflets, fewer

stamens, and shorter narrowly linear filaments.(2) gen, described

from southern Hunan Pro-vince, is related to cum Bl., differing from

the latter in its narrowly linear-clavate filaments and its flower containing

only 3-6 carples.(3) andrum, described from south-eastern Henan

Province, is in habit obviously similar to cum Bl., differing from the

latter in its shorter stamens, filiform filaments, and flower containing only 4-6 carpels.(4) ynum, described from northern Sichuan Province, is

cloly related to lskii Maxim., differing from the latter in its

puberulous stem and pedicels, ciliate pals, not mucronate anthers, and

denly puberulous ovary.(5) nen, described from western

Sichuan Province, is cloly related to otum Franch., differing from

the latter in its hirtellous leaflets, narrowly linear stamen filanemts, not or

minutely mucronate anthers, smaller carpels, and not winged stingmas.

【總頁數】10頁(P407-416)

【作 者】王文采

【作者單位】中國科學院植物研究所 系統與進化植物學國家重點實驗室, 北京

100093

【正文語種】中 文

【中圖分類】Q949

【相關文獻】

1.唐松草屬六新種 [J], 王文采

2.新疆毛茛科唐松草屬一新紀錄種——蕓香葉唐松草 [J], 曾雅娟;海鷹;張翔;張會斌

3.山東毛茛科唐松草屬一新紀錄種——絲葉唐松草 [J], 韓春紅;李佳;曲新艷;張永清

4.四川唐松草屬三新種 [J], 王文采

5.四川毛茛科二新種——烏頭屬一新種和唐松草屬一新種 [J], 王文采

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