唐松草属五新种

2023年12月9日发(作者：学校的英语)

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唐松草属五新种

王文采

【期刊名称】《广西植物》

【年(卷),期】2017(37)4

【摘 要】该文描述了毛茛科唐松草属五新种:(1)小花唐松草,发现自贵州东北部,与多枝唐松草近缘,区别为其小叶较小,雄蕊较少,花丝较短,呈狭条形.(2)新宁唐松草,发现自湖南南部,与爪哇唐松草近缘,区别为本种的雄蕊花丝呈狭条状棒形,花只含3~6枚心皮.(3)短蕊唐松草,发现自河南东南部,在体态上与爪哇唐松草十分相似,区别为本种的雄蕊很短,花丝呈丝形,花只含4~6枚心皮.(4)毛蕊唐松草,发现自四川北部,与长柄唐松草有密切的亲缘关系,区别为本种的茎和花梗被短柔毛,萼片被缘毛,花药不具短尖头,子房密被短柔毛.(5)小金唐松草,发现自四川西部,与白茎唐松草在亲缘关系上甚为相近,区别为本种的小叶被微硬毛,雄蕊花丝呈狭条形,花药顶端无短尖头或具极小短尖头,心皮较小,长仅2.4 mm,柱头无翅.%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.

【总页数】10页(P407-416)

【作 者】王文采

【作者单位】中国科学院植物研究所 系统与进化植物学国家重点实验室, 北京

100093

【正文语种】中 文

【中图分类】Q949

【相关文献】

1.唐松草属六新种 [J], 王文采

2.新疆毛茛科唐松草属一新纪录种——芸香叶唐松草 [J], 曾雅娟;海鹰;张翔;张会斌

3.山东毛茛科唐松草属一新纪录种——丝叶唐松草 [J], 韩春红;李佳;曲新艳;张永清

4.四川唐松草属三新种 [J], 王文采

5.四川毛茛科二新种——乌头属一新种和唐松草属一新种 [J], 王文采

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