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景天三七(Sedum aizoon L.)为景天科多年生肉质草本,茎直立不分枝,高20～80厘米,根状茎粗壮,近木质化,单叶互生,叶节间短,叶色深绿,叶形长披针至倒卵形。聚伞花序顶生,花瓣5,黄色,花期6～8月。分布在我国北部和长江流域各省,生于山坡岩石上或草丛中。有较强的适应性,耐寒力较强,喜光照充足,稍耐阴。对土壤要求不严,宜在排水良好的沙质壤土
Sedum aizoon L. Sedum aizoon L. is a perennial fleshy herb of Sedumceae, the stems are erect and unbranched, with a height of 20-80 cm. The rhizomes are stout, nearly lignified, alternate with single leaves, short internodes, Dark green, leaf-shaped lanceolate to obovate. Cymes terminal, petals 5, yellow, flowering 6 to August. Distributed in northern China and the Yangtze River provinces, was born on rock or grass hillside. Strong adaptability, strong cold resistance, hi light enough, a little shade-resistant. Strict requirements on the soil, should be well drained sandy loam