“不老松”是地方俗称,中文名叫龙血树(Dracaenaanbustitolia Roxb.),产于海南岛上沿岸丛林中,灌木状树高2-3m,也有乔木状高达5-6m,分别有大叶小叶两个种质资源。龙血树虽属喜光植物,在荫生的条件下,也能生长,实生苗置放于18-22℃空调室内,长势良好,显得格外浓绿。引种至广州、深圳、珠海等地,在低温5～9℃的情况下生长正常。盆栽龙血树,置放于居屋内,可以省去经常搬动、照晒太阳的麻烦。据介绍,龙血树还能吸收电视机放射的有毒物质。龙血树,属龙舌兰科,常绿树,花期在5月,8月可以采收成熟的种籽,待到来年春天播 Dracaena anbustitolia Roxb. Is native to the jungle along the coast of Hainan Island. Its shrubs are 2-3 m high and arboreal 5-6 m tall, with large Leaflet two germplasm resources. Although the dragon’s blood tree is a hi-light plant, under the conditions of shade, it can also grow. The seedlings are placed in an air-conditioned room at 18-22 ℃ and grow well. Introduced to Guangzhou, Shenzhen, Zhuhai and other places, in the case of low temperature 5 ~ 9 ℃ under normal growth. Potted dragon tree, placed in the HOS flat, you can save the constant movement, according to the trouble of basking in the sun. According to reports, Dracaena can absorb toxic radioactive substances on television. Dragon trees, genus Agave, evergreen trees, flowering in May, August mature seeds can be harvested until the spring of next year