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假葶苈原图链接

假葶苈(jiǎ tíng lì),学名:Drabopsis nuda (Belanger) Stapf,

异名:Arabidopsis verna Arabis nuda Arabis scapigera Drabopsis verna Drabopsis brevisiliqua Arabidopsis nuda Sisymbrium nudum Stenophragma nudum ,是十字花科葶苈属的植物,具花葶的草本,

(1-)3-12(-20)厘米高。 茎直立,1到很多自基部,单或很少分枝,无叶,在上面。

基生叶无柄或近无柄; 倒卵形的叶片,长圆形,或倒披针形,花瓣黄色或淡黄白色,倒披针形,

花药0.2-0.4毫米果线形, 花柱0.2毫米,种子棕色,长圆形,花期 3月5月,果期4月6月。[1]

目录

形态特征

具花葶的草本,(1-)3-12(-20)厘米高。 茎直立,1到很多自基部,

单或很少分枝,无叶,在上面。 基生叶无柄或近无柄; 倒卵形的叶片,

长圆形,或倒披针形,(0.2-)0.5-2(-3)厘米 * (0.5-)2-7(-12)毫米, 短柔毛具柄, 在果期相当大拉长的总状花序,轴直线兑一稍。

极叉开上升的果梗近直立或,0.5-3(-5.5)毫米萼片长圆形, 1.5-2.5 * 0.5-1 毫米,

无毛或被短柔毛具单一或分枝毛状体。 花瓣黄色或淡黄白色,倒披针形, 2-3(-4) * 0.5-0.8(-1) 毫米花丝直立,淡黄,1-2毫米;

花药0.2-0.4毫米果线形,(1-)1.7-3.3(-4.5)厘米×0.8毫米; 显著裂爿脉,

无毛或很少短柔毛具分叉或伞辐柄; 花柱到0.2毫米种子棕色,长圆形,

( 0.6-)0.8-1.1 * 0.4-0.6 毫米,扁平。 花期 3月5月,果期4月6月。 2n = 16。

Arabis nuda Bélanger, Voy. Indes Or., Bot. t. 15a. 1834; Arabidopsis nuda (Bélanger) Bornmüller; Arabidopsis verna (K. Koch) N. Busch; Arabis scapigera Boissier; Drabopsis brevisiliqua Naqshi & Javeid; D. verna K. Koch; Sisymbrium nudum (Bélanger) Boissier; Stenophragma nudum (Bélanger) B. Fedtschenko.

Herbs scapose, (1-)3-12(-20) cm tall. Stems erect, 1 to many from base, simple or rarely branched, leafless, glabrous above. Basal leaves sessile or subsessile; leaf blade obovate, oblong, spatulate, or oblanceolate, (0.2-)0.5-2(-3) cm × (0.5-)2-7(-12) mm, pubescent with stalked, 3- or 4-rayed stellate trichomes, sometimes with forked or simple trichomes along margin, base cuneate, margin entire or rarely toothed, apex acute or obtuse.

Racemes elongated considerably in fruit, rachis straight to slightly flexuous. Fruiting pedicels suberect or divaricate-ascending, 0.5-3(-5.5) mm. Sepals oblong, 1.5-2.5 × 0.5-1 mm, glabrous or pubescent with simple or branched trichomes. Petals yellow or yellowish white, oblanceolate, 2-3(-4) × 0.5-0.8(-1) mm. Filaments erect, yellowish, 1-2 mm; anthers 0.2-0.4 mm.

Fruit linear, (1-)1.7-3.3(-4.5) cm × 0.8-1 mm; valves prominently veined, glabrous or rarely pubescent with forked or 3-rayed stalked trichomes; style to 0.2 mm. Seeds brown, oblong, (0.6-)0.8-1.1 × 0.4-0.6 mm, flattened. Fl. Mar-May, fr. Apr-Jun. 2n = 16.

Pastures, hillsides, rocky slopes, scree; 1300-3200 m. W Xinjiang [Afghanistan, India, Kashmir, Kazakhstan, Kyrgyzstan, Pakistan, Tajikistan, Turkmenistan, Uzbekistan; SW Asia, SE Europe].

产地生境

Pastures, hillsides, rocky slopes, scree; 1300-3200 m. W Xinjiang [Afghanistan, India, Kashmir, Kazakhstan, Kyrgyzstan, Pakistan, Tajikistan, Turkmenistan, Uzbekistan; SW Asia, SE Europe].

牧场,山腰,岩石坡,scree; 1300-3200米新疆西部 [阿富汗,印度,

克什米尔,哈萨克斯坦,吉尔吉斯斯坦,巴基斯坦,塔吉克斯坦,土库曼,乌兹别克; 亚洲西南部,欧洲东南部 ].

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