孔雀昙花(Epiphyllum ackermannii)又名孔雀仙人掌,是仙人掌科昙花属珍奇花卉。原产在墨西哥及巴西的热带森林中。孔雀昙花的叶已退化,仅存二棱扁平、肉质较厚的叶状茎。叶状茎两边对称生粗锯状齿,似龙骨,所以又称龙骨昙花。刺座生于锯状齿缺刻处,当肥水充足时可从刺座上长出碧绿晶亮翡翠般的嫩茎。嫩茎上有少量细刺,老茎无刺,仅见刺点。茎上还生有气根。 Epiphyllum ackermannii, also known as the peacock cactus, is a cactus genus of exotic flowers. Native to tropical forests in Mexico and Brazil. Peacock Epiphyllum leaf has been degraded, only flattened two edges, thick succulent phyllodes. Sward symmetrical coarse-serrated teeth on both sides, like keel, it is also known as Keel Epiphyllum. Bristle seat was born saw teeth dentures, when sufficient fertilizer can grow from the prickly green jade-like tender stems. Stems have a small amount of fine thorns, stalks without thorns, only see the punctatus. Stems also have root.