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西番莲的植物形态与鉴别

ว 2026-09-10 00:18:32ที่ https://www.wiki8.cn/xifanlian_22819/เ admin

西番莲为多年生缠绕草本,茎细长达4米左右,有细毛,具单条卷须,着生于叶腋处。叶互生,掌状3或5深裂,长6~10厘米,宽9~15厘米,裂片披针形,先端尖,边缘有锯齿,基部心形;叶柄长2~5厘米,先端近叶基处有2蜜腺。花单生叶腋,花梗长5~7厘米;萼片5矩形,先端圆,背有一突起;花瓣5,淡红色,内部有细须,呈浓紫色或淡紫色;雄蕊5,药能转动,状如时钟;子房上位。浆果椭圆形,成熟后黄色,花期秋季。西番莲花形奇特,雄蕊转动状如时钟,故有时计草之名。药材夏、秋季采收全草入药。需注意药用西番莲(Passiflora caerulea)与食用的鸡蛋果/百香果(Passiflora edulis)虽同科同属,但为不同物种,药用以外用全草为主,果实则多作水果食用。

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