在许多珍贵的木本植物中,龙血树恐怕要算其中的佼佼者。其数量在我国总量不上万株,而且主要产于云南省南部,其药用功能甚佳。 龙血树属百合科高大林木植物。原产于大西洋加那利群岛,引种栽培于热带,亚热带地区。因其喜热怕寒的习性适应不了大自然的变迁,在不少国家都已绝迹。这种树虽属单子叶植物,但由于茎中薄壁细胞的分裂,使茎逐年加粗和木质化,形成高大的常绿乔木。成 In many precious woody plants, dracaena probably have to count among the best. Its quantity is less than ten thousand in our country, and is mainly produced in the southern part of Yunnan Province. Its medicinal function is very good. Dracaena Liliaceae tall forest plants. Native to the Atlantic Canary Islands, introduced and cultivated in tropical and subtropical regions. Because of its hi-cold habits can not adapt to changes in nature, in many countries have extinct. Although this kind of tree is a monocotyledonous plant, it is thicker and lignified due to the division of parenchyma cells in the stem, forming tall evergreen trees. to make