檢視小花葶苈的原始碼

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|[[File:小花葶苈2.jpg|缩略图|居中|250px|[http://s9.sinaimg.cn/bmiddle/3e8a657dg86b74f109d58&690 原图链接] [http://blog.sina.cn/dpool/blog/s/blog_3e8a657d0100i8q6.html 来自新浪博客]]]

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中文学名:小花葶苈

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:葶苈组

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'''小花葶苈'''（学名：'''Draba parviflora'''）为[[十字花科]][[葶苈属]]下的一个种。多年生丛生草本植物。分布于[[甘肃]]、[[青海]]、[[新疆]]。
<ref>[http://www.iplant.cn/info/%D0%A1%BB%A8%DD%E3%DC%C2 小花葶苈], 植物智, 2020-01-18</ref>

==小花葶苈形态特征==
小花葶苈 多年生丛生草本，高5-24厘米。根茎分枝多，短，密集，基部宿存鳞片状枯片，上部簇生莲座状叶。

茎单一，密被单毛、叉状毛和分枝毛，毛灰白色，有3-8叶。基生叶披针形，长10-15毫米，宽1-3毫米，全缘或每缘有1-2细齿，顶端渐尖或钝，基部渐窄成柄，密被单毛、叉状毛及分枝毛；茎生叶长卵形或长椭圆形，每缘有不等的锯齿1-3个，顶端渐尖，基部无柄，被有与基生叶相同的毛。

总状花序有花6-20朵；花小，萼片长椭圆形，长2-2.2毫米，有单毛；花瓣白色，长倒卵形，长3-4毫米。
[[File:小花葶苈1.jpg|缩略图|左|250px|[http://s10.sinaimg.cn/bmiddle/3e8a657dg86b74fb865c9&690 原图链接] [http://blog.sina.cn/dpool/blog/s/blog_3e8a657d0100i8q6.html 来自新浪博客]]]

短角果椭圆状披针形，长8-11毫米，宽约2毫米；果梗短，近于直向顶端伸展，排列紧密；花柱短。花果期6-8月。 <ref>《中国植物志》 第33卷 (1987) >> 165页 PDF >> 小花葶苈 Draba parviflora </ref>

Draba parviflora (E. Regel) O. E. Schulz in Engl. Pflanzenr. 89 (4. 105): 273. 1927; A. Tolmaschev in Kom. Fl. URSS 8: 423. 1939. ——D. hirta L. α leiocarpa d. parviflora E. Regel in Tiling, Fl. Ajan. 51. 1858. ——D. subamplexicaulis C. A. Mey. var. hirsutiflolia Pohle in Feddc, . Repert. Beih. 32: 45. 1925.

Herbs perennial, (3-)6-20(-25) cm tall, compactly cespitose. Caudex few branched, ultimate branches terminated in rosettes, covered with leaf remains of previous years. Stems erect, simple, hirsute throughout with simple and coarse, forked trichomes. Basal leaves rosulate, persistent; petiole to 7 mm, ciliate; leaf blade oblong or oblanceolate, (0.3-)0.7-2(-2.5) cm × (1-)2-5 mm, abaxially hirsute with sessile or subsessile, 3- or 4-rayed stellate trichomes with unbranched rays, adaxially and ciliate margin with simple, stoutish trichomes to 1 mm, base attenuate to cuneate, margin entire or 1-3-denticulate, apex acute. Cauline leaves 2-4(-8), sessile; leaf blade ovate or oblong, 0.4-1.8 cm × 1-6 mm, pubescent as basal leaves, margin entire or 1-3-toothed on each side, apex subacute. Racemes 4-20-flowered, ebracteate, elongated in fruit. Fruiting pedicels 2-4 mm, erect, often appressed to rachis, straight, hirsute all around with simple trichomes. Sepals oblong-ovate, 1.5-2 × 0.5-0.8 mm, erect, abaxially pilose, base of lateral pair not saccate, margin not membranous. Petals white, spatulate, 2-3.5 × 1-1.5 mm, apex subemarginate or rounded; claw absent. Filaments 1-1.5 mm; anthers ovate, 0.2-0.3 mm. Ovules 24-30 per ovary. Fruit oblong-elliptic to oblong, 6-11 × 1.5-2(-2.5) mm, erect, often appressed to rachis, latiseptate, not twisted; valves glabrous, obscurely veined, base and apex subobtuse; style 0.1-0.3 mm. Seeds brown, ovate, 0.9-1.1 × 0.5-0.6 mm. Fl. and fr. Jun-Aug.

==小花葶苈生长环境==
生长于海拔2650-4100米山脚石隙、山谷湿地、流水沟边。
==小花葶苈分布范围==
分布于[[甘肃]]、[[青海]]、[[新疆]]。[[苏联]][[土耳其斯坦]]、[[贝加尔湖]]地区也有分布。模式标本采自贝加尔湖地区。 
==小花葶苈本种提示==
本种与硬毛葶苈 D.hirta L.相近，其区别在于本种的茎生叶较多，花小，果实排列紧密，毛较长，毛灰白色。 
==小花葶苈采收和储藏==
秋季可采收，洗净，鲜用或晒干。

== 参考来源 ==
{{reflist}}

[[Category:370 植物學總論]]