从最权威的专业百科全书(之一?)上下载的棕榈树的介绍,呵呵
Palm (plant), common name for a family of woody flowering plants widespread in the tropics. They are of great economic importance because of the food, fiber, and oil they provide, and because of their ornamental uses. The family is the only member of its order and contains about 2,600 species, making it the fourth largest among the monocots, after the grasses, lilies, and orchids.
Microsoft® Encarta® Encyclopedia 2003. © 1993-2002 Microsoft Corporation. All rights reserved.
竟然有2600种,不知道水晶城是哪种了
[ 本帖最后由 elane 于 2009-7-22 09:29 编辑 ] |