檢視灰岩葶苈的原始碼

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中文学名:灰岩葶苈

拉丁学名:Draba sikkimensis 

(Hook.f. & T. Anderson) Pohle

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]]

种:灰岩葶苈

命名者及年代:Pohle,1926

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'''灰岩葶苈'''（huī yán tíng lì，学名：'''Draba calcicola'''）为[[十字花科]][[葶苈属]]的植物。产[[云南]][[中甸]][[哈巴雪山]]。生于峭壁，海拔3400米。
<ref>[http://www.iplant.cn/info/%BB%D2%D1%D2%DD%E3%DC%C2 灰岩葶苈], 植物智, 2020-01-18</ref>

==灰岩葶苈形态特征==
多年生草本，高约20厘米。茎直立，被单毛、叉状毛和分枝毛，毛灰白色。

基生叶莲座状丛生，长椭圆形或倒卵状楔形，顶端钝，基部缩窄，近于无柄，全缘；茎生叶长椭圆形或长卵形，全缘或每边有细齿，基部扩大，抱茎；叶都被单毛、星状毛和分枝毛。

总状花序有花8-35朵，下面数花有苞片；小花梗长2-8毫米；萼片长3-4毫米；花瓣黄色，倒卵楔形，长5-6毫米，顶端微凹；雄蕊花丝扩大；雌蕊窄瓶状。
[[File:灰岩葶苈2.jpg|缩略图|left|250px|[http://img1.iplant.cn/gotoimg/236/209843AE35FE59FC.jpg 原图链接] [http://www.iplant.cn/info/%E7%81%B0%E5%B2%A9%E8%91%B6%E8%8B%88?t=p 来自植物智]]]

短角果长椭圆形或长卵形，有单毛、叉状毛，有时无毛；花柱长1.5-1.8毫米。花果期8月。 <ref>《中国植物志》 第33卷 (1987) >> 152页 PDF >> 灰岩葶苈 Draba calcicola </ref>

[[File:灰岩葶苈3.jpg|缩略图|left|250px|[http://img1.iplant.cn/gotoimg/236/2AB73B86B6EBE5D5.jpg 原图链接] [http://www.iplant.cn/info/%E7%81%B0%E5%B2%A9%E8%91%B6%E8%8B%88?t=p 来自植物智]]]

Draba calcicola O. E. Schulz in Anzeiger Akad. Wien n. 12: 2. 1926; O. E. Schulz in Engl. Pflanzenr. 89 (4. 105): 183. 1927——D. aprica O. E. Schulz, l. c. 373. 1927.

Herbs perennial, 7-45 cm tall, cespitose, canescent at least basally. Caudex branched. Stems erect, much branched above, densely pubescent with a mixture of simple and sessile stellate trichomes, apically tomentose with appressed stellate ones rarely with fewer simple trichomes. Basal leaves rosulate, sessile, oblong-linear to narrowly oblanceolate, 3-6 cm × 2-4 mm, abaxially densely pubescent with subsessile, 5-8-rayed stellate trichomes, adaxially with a mixture of primarily simple trichomes and fewer stellate ones, rarely exclusively simple, base attenuate, margin entire, apex obtuse. Cauline leaves 3-20, sessile; leaf blade ovate, oblong, or lanceolate, 1-5 cm × 3-7 mm, pubescent as basal leaves, base auriculate or amplexicaul, margin entire, apex obtuse. Racemes (20-)30-90-flowered, ebracteate, elongated considerably in fruit. Fruiting pedicels 3-15 mm, divaricate, straight or slightly curved, glabrous adaxially, pubescent abaxially with stellate trichomes. Sepals oblong or ovate, (2-)2.5-3.5 × 1-1.5 mm, ascending, abaxially sparsely pilose with primarily simple trichomes, base of lateral pair subsaccate, margin membranous. Petals yellow, obovate, (4.5-)5-7 × 2.5-4 mm, apex emarginate; claw 1-2 mm. Filaments 1.5-4 mm; anthers ovate, 0.4-0.6 mm. Ovules 6-12 per ovary. Fruit oblong to linear-elliptic, 4-10 × 2-4 mm, latiseptate, not twisted; valves densely pilose with simple, forked, or stellate trichomes, sometimes sparsely pilose only near fruit base; style 0.5-1.5 mm. Seeds brown, ovate, 1.2-1.5 × 0.8-1 mm. Fl. and fr. Jun-Aug.

==灰岩葶苈生长环境==
灰岩葶苈生长于海拔3400米的峭壁。
==灰岩葶苈分布范围==
灰岩葶苈产自[[云南]][[中甸]][[哈巴雪山]]。模式标本采自云南中甸。 

== 参考来源 ==
{{reflist}}

[[Category:370 植物學總論]]
[[Category:376 經濟植物學]]