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荠菜(Capsellabursa-pastoris(L.)Medic.)别名鸡心菜、菱角菜、填菜、石翠花等,为十字花科一年生或越年生草本。高20～50厘米,稍有分枝毛或单毛。茎直立,有分枝。基生叶丛生,长可达10厘米,羽状分裂,顶生裂片较大,侧生裂片较小,狭长,先端渐尖,浅裂或有不规则粗锯齿,具长叶柄;茎叶狭披针形,长1—2厘米,宽2毫米,基部抱茎,边缘有缺刻或锯齿两面有细毛或无毛。总状花序顶生和腋生;花白色,直径2毫米。短角果倒三角形或倒心形,长5—8毫米,宽4—7毫米,扁平,先端微凹。种子2行,长椭园形,长
Capsella bursa-pastoris (L.) Medic. Alias of heart-shaped cabbage, caraway, fillings, stone flower, etc., for the annual cruciferous or perennial herb. High 20 to 50 cm, slightly branched hair or single hair. Stem erect, with branches. Basal leaves clustered, up to 10 cm long, pinnately divided, larger terminal dehiscence, lateral lobes smaller, narrow, apex acuminate, lobed or with irregular coarse serrations, long petioles; Needle-shaped, 1-2 cm long, 2 mm wide, base amplexicaul, margin notched or serrate Both surfaces finely glabrous or glabrous. Racemes terminal and axillary; floral white, 2 mm in diam. The trichomes are triangular or inverted-heart-shaped, 5-8 mm long, 4-7 mm wide, flattened, apex-concave. Seeds 2 rows, oblong-shaped, long