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扭庭荠 |
中文学名:扭庭荠 拉丁学名:Alyssum tortuosum Waldst. & Kit. 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 属:庭荠属 |
扭庭荠(学名:Alyssum tortuosum)为十字花科庭荠属的植物。分布在欧洲、西伯利亚等地,目前尚未由人工引种栽培。 命名来源:[Ex willd. Sp . 3:: 466.. 1800] 中国植物志:33:125 英文植物志:8:62 [1]
扭庭荠形态特征
多年生草本,高8-30厘米,密被星状毛。
茎外倾而弯曲,基部木质化。叶长圆状倒卵形或长圆状披针形,基部渐窄。
花序分枝成伞房状圆锥花序;萼片长约2毫米;花瓣金黄色,长2.5-3(-4)毫米。短角果椭圆形或倒卵状长圆形,长2.5-4.5毫米,偶长5-6毫米,密被星状毛;果梗长0.4-0.6毫米,斜向上展开。
种子每室1粒,长1.2-1.5毫米,宽0.6-1.2毫米,无边,红棕色。花期4-6月。
Herbs perennial, cespitose, 6-30(-50) cm tall, often woody at base, canescent throughout, with sessile, 10-18-rayed stellate trichomes. Stems tortuous at base, slender, several from caudex, sterile shoots often absent at flowering. Cauline leaves subsessile; leaf blade narrowly obovate or oblanceolate, 0.5-2(-2.5) cm × 1-3(-5) mm, gradually smaller upward, base attenuate, apex acute to subacuminate. Racemes corymbose, in a panicle terminating each stem. Fruiting pedicels divaricate or rarely ascending, (2-)3-6(-8) mm, slender, straight or slightly curved upward, uniformly stellate. Sepals oblong, 1.2-1.8 × 0.5-0.6 mm, deciduous, stellate. Petals yellow, spatulate, 1.5-3 × 0.7-1 mm, glabrous or stellate outside, caducous, base attenuate, apex often obtuse or rounded. Filaments 1-1.5 mm; median pairs unilaterally broadly winged, apically 1- or 2-toothed; lateral pair with a lanceolate basal appendage apically acute; anthers ovate, 0.2-0.3 mm. Ovules 1(or 2) per locule. Fruit elliptic to elliptic-obovate, 2.5-4(-4.5) × (1.5-)1.8-2.5 mm, apex obtuse to subacute; valves not veined, often asymmetrically inflated on 1 side, flattened on other, densely covered with stellate trichomes; style 0.5-1.5 mm, slender, glabrous or sparsely with stellate trichomes basally. Seeds 1(or 2) per locule, ovate, 1.1-1.4 × 0.8-1.1 mm, compressed, not margined. 2n = 16, 32.
扭庭荠生长环境
扭庭荠属于亚寒带植物,野生,目前尚未由人工引种栽培。
扭庭荠分布范围
主要分布于苏联的西伯利亚、欧洲。文献载新疆有分布,但未见标本。
扭庭荠采收储藏
夏季可采收,洗净,鲜用或晒干。