檢視山景葶苈的原始碼

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| style="background: #008080" align= center|  '''<big>山景葶苈</big> '''

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中文学名:山景葶苈

拉丁学名:Draba oreodoxa

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:罂粟目

亚 目:白花菜亚目

科:[[十字花科]]

族:葶苈族

属:[[葶苈属]]

组:多叶葶苈组

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'''山景葶苈'''（学名：'''Draba oreodoxa'''）为[[十字花科]][[葶苈属]]下的一个种。多年生草本。产[[云南]][[丽江]]至[[中甸]]（[[哈巴雪山]]）。生于山顶岩石上，海拔2400-4600米。
<ref>[http://www.iplant.cn/info/%C9%BD%BE%B0%DD%E3%DC%C2 山景葶苈], 植物智, 2020-01-18</ref>

==山景葶苈形态特征==
山景葶苈 多年生草本。高5-10厘米，形成稀疏草丛。根茎多分枝，长达3-10厘米，直径1-1.5毫米，下部宿存披针形枯叶，上部有莲座状叶。

茎单一，混生单毛、有柄叉状毛、星状短柔毛成毡毛状，有3-6叶。叶均为薄革质，基生叶窄倒卵状楔形或长椭圆状匙形，长7-10毫米，顶端圆钝，基部缩窄成短而宽的柄，全缘或偶有微齿；茎生叶卵形或窄卵状披针形，顶端钝，全缘或有2-4细齿，无柄，密生灰白色长单毛、叉状毛及星状毛。

总状花序有花10-15朵，密集成伞房状，下有苞片，花梗长2-7毫米；萼片倒卵形或卵形，长2-3毫米，顶端圆钝，绿色，边缘淡黄色，有毛；花瓣金黄色，广倒卵形，长6-7毫米，顶端微缺；雄蕊长约2.5毫米，花丝基部扩大，花药卵形，长约0.5毫米；雌蕊无毛。
[[File:山景葶苈2.jpg|缩略图|left|250px|[http://img1.iplant.cn/gotoimg/236/1ED4E0605894D0A4.jpg 原图链接] [http://www.iplant.cn/info/%E5%B1%B1%E6%99%AF%E8%91%B6%E8%8B%88?t=p 来自植物智]]]

短角果卵圆形，长约4毫米，宽约3毫米，柱头长约1毫米。花期5-6月。 <ref>《中国植物志》 第33卷 (1987) >> 144页 PDF >> 山景葶苈 Draba oreodoxa </ref>

Draba oreodoxa W. W. Smith in Not. Roy. Rot. Gard. Edinb. n. 55: 209. 1919; O. E. Schulz in Engl. Pflanzenr. 89 (4. 105): 178. 1927.

Herbs perennial, 5-24 cm tall, cespitose. Caudex few to many branched, with petiolar remains of previous years, ultimate branches terminated in rosettes. Stems erect to decumbent, simple, sparsely to densely pubescent with a mixture of simple, forked, and stellate trichomes, apically tomentose with appressed stellate ones. Basal leaves rosulate, persistent; petiole to 1 cm, base often persistent; leaf blade obovate, spatulate, to narrowly oblanceolate, 0.4-2 cm × (2-)3-7 mm, abaxially pubescent with subsessile, 4(or 5)-rayed, soft, fine stellate trichomes, adaxially with a mixture of primarily simple trichomes with fewer stellate and forked ones, sometimes trichomes restricted to leaf margins and midvein, base cuneate, margin entire or denticulate, apex obtuse or rounded. Cauline leaves 3-7, sessile; leaf blade narrowly oblong, oblanceolate, or ovate, 0.5-2 cm × (1.5-)2.5-5(-7) mm, pubescent as basal leaves, base obtuse, not auriculate, margin entire or denticulate, apex obtuse. Racemes 12-35-flowered, bracteate basally to beyond middle, elongated in fruit. Fruiting pedicels (0.4-)0.6-1.5 cm, divaricate, straight or slightly curved, glabrous adaxially, pubescent abaxially with stellate trichomes. Sepals ovate, 2-3 × 1-1.7 mm, ascending, abaxially sparsely pilose with primarily simple trichomes, base of lateral pair subsaccate, margin membranous. Petals yellow, obovate, (3.5-)4-6(-7) × 2-3(-4) mm, apex emarginate; claw to 1 mm. Filaments 1.5-3 mm; anthers ovate, 0.4-0.6 mm. Ovules (5-)8-12 per ovary. Fruit ovate, 4-7 × 3-5 mm, latiseptate, sometimes slightly twisted; valves glabrous; style ca. 0.5 mm. Seeds brown, ovate, 1.3-1.8 × 1-1.3 mm. Fl. and fr. Jun-Aug.

==山景葶苈生长环境==
生长于海拔2400-4600米的山顶岩石上。
==山景葶苈分布范围==
产自[[云南]][[丽江]]至[[中甸]]（[[哈巴雪山]]）。模式标本采自云南丽江东部。 

== 参考来源 ==
{{reflist}}

[[Category:370 植物學總論]]