檢視单花老鹳草的原始碼

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中文学名:单花老鹳草

别 称:单花牻牛儿苗、

早田氏牻牛儿苗、早田氏

香叶草、单花香叶草

二名法:Geranium 

hayatanum Ohw

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:[[牻牛儿苗目]]

科:[[牻牛儿苗科]]

属:[[老鹳草属]]

组:沼生组

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'''单花老鹳草'''（学名：'''Geranium hayatanum'''）为[[牻牛儿苗科]][[老鹳草属]]的植物，为[[台湾]]的特有植物。分布于台湾，目前尚未由人工引种栽培。
<ref>[http://www.iplant.cn/info/%B5%A5%BB%A8%C0%CF%F0%D9%B2%DD 单花老鹳草], 植物智, 2020-01-18</ref>

==单花老鹳草形态特征==
多年生草本，高30-50厘米，被柔毛。茎直立，不分枝，叶对生；叶柄长1-5.5厘米；叶片宽圆形或五角状，宽2-6厘米，3-5深裂，裂片楔状倒卵形，上部不规则羽状齿裂，小裂片先端急尖。

花单生，总花梗长于叶；苞片2，长3-8毫米；花梗长2-8厘米；萼片宽卵形，长10-15毫米，宽3-5毫米，先端具尖头；花瓣倒卵形，紫红色，长约为萼片的1.5倍，先端钝圆、微凹，基部楔形。
[[File:单花老鹳草2.jpg|缩略图|left|250px|[http://img1.iplant.cn/gotoimg/236/F8169177A6D73740.jpg 原图链接] [http://www.iplant.cn/info/%E5%8D%95%E8%8A%B1%E8%80%81%E9%B9%B3%E8%8D%89?t=p 来自植物智]]]

蒴果长约2.5厘米。 <ref> 《中国植物志》 第43(1)卷 (1998) >> 073页 </ref>

[[File:单花老鹳草3.jpg|缩略图|left|250px|[http://img1.iplant.cn/gotoimg/236/E4FE7F865244C2B0.jpg 原图链接] [http://www.iplant.cn/info/%E5%8D%95%E8%8A%B1%E8%80%81%E9%B9%B3%E8%8D%89?t=p 来自植物智]]]

PDFGeranium hayatanum Ohwi in Act. Phytotax. Geobot. 2: 152. 1933; Fl. Taiwan. 3: 428. 1977.——Geranium uniflorum Hayata in Journ. Coll. Sci. Univ. Tokyo 25 (19): 65. 1908 et 30 (1): 50. 1911 (non Pach.); Icon. Pl. Form. 1: 113. 1911 et 7: 4. Pl. 3. 1918.

Perennials. Rootstock ± horizontal, 3.6-8 mm in diam., not tuberculate, with thickened roots along rootstock. Stem 18-60 cm tall, trailing or ascending, not rooting at nodes, with 0.2-1 mm patent to retrorse nonglandular trichomes. Stipules broadly ovate, connate. Leaves opposite; petiole with 0.3-1 mm patent to retrorse nonglandular trichomes; leaf blade 2.8-7.2 cm, palmately cleft, ratio of main sinus/middle segment length = 0.75-0.92, pilose with appressed nonglandular trichomes; segments 5, rhombic, 3.4-9.8 mm wide at base, 5-11-lobed in distal half, ratio of second sinus/middle segment length = 0.21-0.38. Cymules solitary, 1-flowered; peduncle (0.9-)2.4-7.6(-15.4) cm. Pedicel 1.5-3(-5) cm, with 0.2-0.8 mm patent to retrorse sometimes uncinate nonglandular trichomes; bracteoles lanceolate. Sepals 6.5-10.1 mm, mucro 1.1-2.5 mm, ratio of mucro/sepal length = 0.14-0.24, outside with 0.2-1.4 mm antrorse to patent nonglandular trichomes, inside glabrous. Petals light purplish with a whitish base, (1.2-)1.4-1.8(-2) cm, erect to patent, both surfaces basally with trichomes, margin basally ciliate, apex rounded or rarely emarginate with a 0.2-0.4 mm notch. Staminal filaments purplish distally but paler at base, lanceolate, abaxially pilose and proximal half ciliate, trichomes 0.2-0.6 mm; anthers bluish, 1.7-2.1 mm. Nectaries 5, hemispheric, abaxially glabrous, apex with a tuft of trichomes. Stigma deep pink. Fruit 2.4-3.2 cm, erect when immature; mericarps smooth, with a basal callus, with 0.3-1.2 mm erect to patent nonglandular trichomes; rostrum 1.5-2.3 cm, with a 1.6-3.4 mm narrowed apex; stigmatic remains 3.5-5.6 mm. Seeds 2.3-3.5 mm. Fl. Jul, fr. Aug.

==单花老鹳草生长环境==
喜欢潮湿湿热环境，生长于台湾山林地区。
==单花老鹳草分布范围==
主要分布于我国台湾，特有植物，目前尚未由人工引种栽培。 

== 参考来源 ==
{{reflist}}

[[Category:370 植物學總論]]
[[Category:375 植物分類學]]