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穿叶蓼【来源】蓼科穿叶蓼Polygonum perfoliatum L.的干燥全草。【别名】杠板归【俗名】贯叶蓼;刺犁头【原植物】多年生蔓性草本,长1～2 m,全株无毛。茎有棱角,红褐色,有倒生钩刺。叶互生;柄长2～7 cm,疏生倒钩刺,盾状着生;叶片正三角形,长3～6 cm,底边宽3～8 cm,先端微尖,基部截形或微心形,质薄,上面绿色,无毛,下面延叶脉疏生钩刺;托叶鞘呈叶状,近圆形,茎2～3 cm,穿茎。花序短穗状,顶生或腋生,包在叶鞘内;苞片圆形,无毛,内有2～4花;花梗短;花被5深裂,白色或粉红色,裂片卵形,果期稍增大,肉质,变为深蓝色;雄蕊8;花柱3,中下部结合。小坚果球形,黑色、有光泽。【生境】生于山坡、草地、沟边、灌丛及湿草甸子等处。【分布】东北、华北、华东、华南;朝鲜、俄罗斯(远东地区)。【产地】东北各市、县。
Wearing leaf Polygonum [source] Polygonum Polygonum Polygonum perfoliatum L. dried whole plant. 【Alias】 Slab Back 【Common name】 Polygonum villosum; Prunus pumilum 【Original plants】 perennial creeping herb, 1 ~ 2 m long, whole plant glabrous. Stems angular, reddish-brown, with barb. Leaves alternate; stem length 2 ~ 7 cm, sparse barb barbed, shield-shaped students; blade is a triangle, length 3 ~ 6 cm, width 3 ~ 8 cm, apex dips, base truncated or slightly heart-shaped , Thin, above green, glabrous, sparsely lanceolate below spatula; stipules sheath was leafy, suborbicular, stem 2 ~ 3 cm, through the stem. Inflorescences shortly spikelike, terminal or axillary, enclosed in leaf sheath; bracts round, glabrous, with 2-4 flowers; pedicel short; perianth 5-parted, white or pink, lobes ovate, fruiting Slightly larger, fleshy, becoming dark blue; stamens 8; style 3, in the lower part of the combination. Nutlets spherical, black, shiny. Habitat Born in hillsides, grasslands, ditch edge, shrubs and wet meadows and other places. 【Distribution】 Northeast, North China, East China, South China; North Korea, Russia (Far East). 【Origin】 Northeast cities and counties.