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沙芥Pugionium cornutum

时间:2013-09-05 16:38来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):沙芥 学名( Scientific Name ): Pugionium cornutum (Linn.) Gaertn. 英文名( English Common Name ): 别名( Chinese Common Name ): 山萝卜 异名( Synonym ): Bunias cornuta L. Myagrum cornutum (Lam.) L. 科属(
中文名(Chinese Name):沙芥
学名(Scientific Name):Pugionium cornutum (Linn.) Gaertn.
英文名(English Common Name):
别名(Chinese Common Name):山萝卜
异名(Synonym):Bunias cornuta L.  Myagrum cornutum (Lam.) L.
科属(Family & Genus):十字花科(Cruciferae)沙芥属
形态特征(Description):一年或二年生草本,高50-100厘米;根肉质,手指粗;茎直立,多分枝。叶肉质,下部叶有柄,羽状分裂,长10-20厘米,宽3-4.5厘米,裂片3-4对,顶裂片卵形或长圆形,长7-8厘米,全缘或有1-2齿,或顶端2-3裂,侧裂片长圆形,基部稍抱茎,边缘有2-3齿;茎上部叶披针状线形,长3-5厘米,宽2-5毫米,全缘。总状花序顶生,成圆锥花序;萼片长圆形,长6-7毫米;花瓣黄色,宽匙形,长约1.5厘米,顶端细尖。短角果革质,横卵形,长约1.5厘米,宽7-8毫米,侧扁,两侧各有1披针形翅,长2-5厘米,宽3-5毫米,上举成钝角,具突起网纹,有4个或更多角状刺;果梗粗,长2-2.5厘米。种子长圆形,长约1厘米,黄棕色。花期6月,果期8-9月。
分布(Distribution):产内蒙、陕西及宁夏,生于沙漠地带沙丘上。
用途(Use):嫩叶作蔬菜或饲料;全草供药用,有止痛、消食、解毒作用。
引自中国植物志英文版FOC Vol. 8 Page 38
Pugionium cornutum (Linnaeus) Gaertner, Fruct. Sem. Pl. 2: 291. 1791.
沙芥 sha jie | Brassicaceae  | Pugionium
Bunias cornuta Linnaeus, Sp. Pl. 2: 669. 1753; Myagrum cornutum (Lamarck) Linnaeus.
Herbs annual, 50-100(-150) cm tall. Stems erect, many branched above. Basal leaves slightly fleshy; petiole 2-6 cm; leaf blade pinnatisect, 8-25 × 1.5-4.5 cm; lateral lobes 4-7 on each side of midvein, ultimate segments oblong, lanceolate, or rarely lanceolate-linear, 1-5 cm × 1-6 mm, entire or larger ones coarsely dentate or 3-fid, apex acute. Middle cauline leaves pinnatisect, auriculate; uppermost cauline leaves oblanceolate or linear, 3-6 cm × 2-4 mm, base attenuate, not auriculate, margin entire. Fruiting pedicels slightly stout, straight or curved upward, (1-)1.7-3 cm. Sepals 5-7 × 1.2-1.5 mm; sac of lateral pair 0.5-0.8(-1) mm. Petals whitish, linear to linear-lanceolate, 1.2-1.5 cm × 1.5-2.5 mm; claw 5-7 mm. Median filaments 6-8 mm; lateral filaments 4-5 mm; anthers oblong, 1.2-1.5 mm. Fruit transversely oblong or ovoid, excluding wings 0.7-1.2 × 1.5-2 cm; wings ensiform, straight, (2-)3-5(-6.5) cm, 3-5(-6) mm wide at base, longitudinally 3-veined, margin entire, apex acuminate; spines 8-10, to 2 cm × 2 mm, basal 4 pointing downward, subparallel to pedicel, much longer than the others, remaining 4 or 6 horizontal or erect; style absent. Seeds brown, oblong, 8-10 × 3-4 mm. Fl. Jun-Aug, fr. Jul-Sep.
* Desert dunes; 1000-1100 m. Nei Mongol, Ningxia, Shaanxi.



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