檢視白云百蕊草的原始碼


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<small>[https://www.cvh.ac.cn/spms/detail.php?id=f06b4cf4  来自 植物智 的图片]</small>

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中文名:白云百蕊草

拉丁学名:Thesium 

psilotoides Hance

界:植物界

门:被子植物门

纲:双子叶植物纲

亚 纲:原始花被亚纲

目:管花目

科:[[檀香科]]

属:[[百蕊草属]]

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'''白云百蕊草'''(bái yún bǎi ruǐ cǎo)，学名：Thesium psilotoides Hance，是[[檀香科]][[百蕊草属]]植物，产于[[广东]][[广州市]]至[[阳江县]]一带。[[柬埔寨]]、[[泰国]]、[[菲律宾]]、[[印度尼西亚]]也有分布，生于海拔200-1300米开旷松林下的草地上。 
<ref>[http://www.iplant.cn/info/%B0%D7%D4%C6%B0%D9%C8%EF%B2%DD 白云百蕊草], 植物智, 2020-01-18</ref>

==白云百蕊草形态特征==
矮小草本，高15-25厘米；根茎短，木质。茎直立，纤细，中部分枝，枝开叉。叶小，鳞片状，长1-1.5毫米，具单脉，沿茎部下延而成纵棱。

花单生或2-3朵聚生，长1.5毫米，顶生；苞片1枚，小苞片4枚，同形，均比花被短并环绕花被基部；花被长约1毫米，略带污黄色，5裂至中部；

裂片三角形，在芽中呈镊合状排列，边缘内折；雄蕊5，着生于花冠裂片下部1/3处，花药2室，内向，花丝短；子房1室；

花柱直立，稍比雄蕊短，柱头扁圆形。坚果卵圆形，长和宽均约2毫米，向基部渐狭，表面有纵棱和不明显的网脉；宿存花被短，拱、贴，稍呈脐状突起。花期5月，果期8月。 

Herbs dwarf; rhizomes short, woody. Stems erect, branched at middle (branches rebranched), slender, 15-25 cm. Leaves sessile, scale-like, 1-1.5 mm, decurrent along stems to form ridges, 1-veined. Inflorescences cymose, fasciculate, 1-3-flowered; bracts scale-like, ca. 1.5 mm; bracteoles 4, scale-like, shorter than perianth, bracts and bracteoles forming an involucre around base of perianth. 

Perianth 5-merous, slightly dirty yellow, broadly campanulate, ca. 1.5 mm, tube divided to middle, ca. 1 mm, lobes triangular, margin inflexed. Stamens 5, on basal 1/3 of lobes; filaments short. Ovary sessile. 

Style erect, slightly shorter than stamens; stigma ± globose. Nutlet ovoid, ca. 2 × 2 mm, with ridges and inconspicuous reticulate veins, gradually narrowed to base; persistent perianth arched, adnate, slightly umbulate, short. Fl. May, fr. Aug.

Open grasslands under Pinus forests; 200-1300 m. Guangdong, [Cambodia, Indonesia, Philippines, Thailand].

==分类文献==
Thesium psilotoides Hance in Journ. Bot. 6: 48. 1868; Forb. et Hemsl. in Journ. Linn. Soc. Bot 26: 409. 1894; Lecomte Fl Gen. Indo-chine 5:214. 1915; 广州植物志413. 1956.
==白云百蕊草生长环境==
生长于海拔200-1300米开旷松林下的草地上。 
==白云百蕊草分布范围==
分布于[[广东]][[广州市]]至[[阳江县]]一带、[[柬埔寨]]、[[泰国]]、[[菲律宾]]、[[印度尼西亚]]。 模式标本采自广州白云山。

== 参考来源 ==
{{reflist}}

[[Category:370 植物學總論]]