头花蓼（Polygonumcapitatum）又名石辣蓼、石缝草、骨虫草等，蓼科蓼属多年生草本。其茎平卧多分枝，节间多不定根。叶为椭圆形或卵形，先端尖，基部心形，叶柄基部有２枚圆形小耳，叶鞘杯状，苞片卵形，花序头状１—３枚，花被５裂，粉红色。花期春夏季。头花蓼分布广西、广 Polygonum capitatum (Polygonum capitatum), also known as stone Polygonum, stone grass, bone Cordyceps, Polygonum Polygonum perennial herb. Its stem supine and more branches, internodes and more adventitious roots. Leaves elliptic or oval, apex pointed, base of the heart-shaped petiole base has 2 round ears, leaf sheath scallops, bracts ovate, 1-3 head inflorescences, perianth 5 crack, pink. Flowering spring and summer. Head Polygonum distribution Guangxi, Canton