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斧翅沙芥Pugionium dolabratum

时间:2013-09-05 16:41来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):斧翅沙芥 学名( Scientific Name ): Pugionium dolabratum Maxim. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Pugionium calcaratum Kom. Pugionium cristatum Kom. Pugionium d
中文名(Chinese Name):斧翅沙芥
学名(Scientific Name):Pugionium dolabratum Maxim.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Pugionium calcaratum Kom.  Pugionium cristatum Kom.  Pugionium dolabratum var. platypterum H. L. Yang
科属(Family & Genus):十字花科(Cruciferae)沙芥属
形态特征(Description):一年生草本,高60-100厘米,全株无毛;茎直立,多数緾结成球形,直径50-100厘米。茎下部叶二回羽状全裂至深裂,长7-12厘米,裂片线形或线状披针形,长5-15毫米,顶端急尖;茎中部叶一回羽状全裂,长5-12厘米,裂片5-7,窄线形,长1-4厘米,宽1-3毫米,边缘稍内卷,下部叶及中部叶在花期枯萎;茎上部叶丝状线形,长3-5厘米,宽约1毫米,全缘,稍内卷,无叶柄。总状花序顶生,有时成圆锥花序;花梗长3-5毫米;萼片长圆形或倒披针形,长5-6毫米;花瓣浅紫色,线形或线状披针形,长12-15毫米,上部内弯。短角果近扁椭圆形,连翅长3-5厘米,宽4-8毫米,两侧的翅长1-2厘米,宽6-10毫米,两侧翅大小不等,顶端有几个不整齐圆齿或尖齿,心室两面有齿状突起,并有数个长短不等的刺。花果期6-8月。
分布(Distribution):产内蒙、陕西、甘肃、宁夏,生于荒漠及半荒漠的沙地,蒙古也有。
用途(Use):
引自中国植物志英文版FOC Vol. 8 Page 39
Pugionium dolabratum Maximowicz, Bull. Acad. Imp. Sci. Saint-Pétersbourg. sér. 3. 26: 426. 1880.
斧翅沙芥 fu chi sha jie| Brassicaceae  | Pugionium
Pugionium calcaratum Komarov; P. cristatum Komarov; P. dolabratum var. platypterum H. L. Yang.
Herbs annual, (50-)60-100 cm tall. Stems erect, many branched above. Basal leaves slightly fleshy; leaf blade 2-pinnatisect, to 25 × 6.5 cm; ultimate lateral lobes filiform or linear, to 5.5 cm × 0.5-1.5 mm, apex subacute. Middle and upper cauline leaves similar to basal. Fruiting pedicels slightly stout, straight, (0.6-)0.8-2(-2.5) cm. Sepals 5-8 × 1.2-1.5 mm; sac of lateral pair 0.6-1.2 mm. Petals pink, linear or linear-lanceolate, 1.2-2 cm × 1.5-2.5 mm; claw 5-8 mm. Median filament pairs 5-8 mm, lateral pair 3-5 mm; anthers oblong, 1.2-1.5 mm. Fruit transversely oblong, excluding wings 0.7-1.2 × 1-2 cm; wings lanceolate, ovate, oblong, or obovate, 0.7-2.5(-3) cm, 4-8(-10) mm wide at base, margin entire, apex obliquely truncate, acute, or obtuse, toothless or toothed, 5-10(-12)-veined; spines absent, sometimes up to 16 and to 2 cm × 3 mm; style obsolete or to 1 mm. Seeds brown, oblong, 5-8 × 1.5-3 mm. Fl. Aug-Sep.
Sandy deserts, dunes; 1000-1400 m. Gansu, Nei Mongol, Ningxia, Shaanxi [Mongolia].


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