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夹竹桃科植物长春花(Vincarosea)原系东非的一种观赏植物,也叫日日草、山矾花,四时青。现已广泛在世界热带及亚热带地区引种;我国分布于广东、广西、云南长江以南各地,既有栽培,也有野生。它花朵艳丽,叶绿油光,具有观赏价值,是美化家庭、绿化庭院的花卉。更重要的是迄今已分离出七十余种生物碱,具有较明显的抗癌作用。
Apocynaceae plant Vincarosea (Vincarosea) originally a species of ornamental plants in East Africa, also known as the sun grass, mountain alum flowers, four green. Now widely introduced in tropical and subtropical regions of the world; China is located in Guangdong, Guangxi, Yunnan, south of the Yangtze River, both cultivated and wild. Its beautiful flowers, shiny leaves, with ornamental value, is to beautify the family, green garden flowers. More important is that so far seventy alkaloids have been isolated, with a more obvious anti-cancer effect.