龙舌兰极具阳刚之美,特别是近年从国外引进的新品种,更是形态优雅,风采非凡。泷之白丝便是其中不可多得的美叶珍品。原产墨西哥的泷之白丝(Agave schidigera)形态飘逸、潇洒、坚毅、亮丽,受到多浆花卉界资深人士的高度赞赏。因此,2003年在北京举办的“首届国际仙人掌与多肉植物展览”会上,厦门植物园参展的一盆泷之白丝荣获大会金奖。和绝大多数龙舌兰一样,泷之白丝毕生只开一次花,花谢,就意味着生命的终结,所以有性繁殖的机会较少,主要靠无性繁殖获取小苗。但是,泷之白丝宛若高傲的“单身贵族”,终生单株独生,很难蘖生腋芽;若采用叶插繁殖,也常常因不能生根萌芽而失败。据笔者观察发现,龙舌兰科植物和仙人 Agave very masculine beauty, especially in recent years, the introduction of new varieties from abroad, but also the form of elegant, extraordinary style. Takizawa White silk is one of the rare beauty of the United States leaves treasures. Agave schidigera, native to Mexico, is elegant, dashing, firm and bright, highly praised by multi-pulp flower industry veterans. Therefore, in 2003 the “International Cactus and Succulents Exhibition” held in Beijing, Xiamen Botanical Garden participated in a potted Takiroi silk won the gold medal. Like most tequilas, the Takizawa White silk lives only once a flower, flowers Xie, it means the end of life, so there is less chance of sexual reproduction, mainly by asexual reproduction for seedlings. However, Takizawa White silk like proud of “single aristocrats”, life-long single plant, it is difficult to axillary buds; if the use of leaf breeding, but also often because of failure to root and sprout. According to my observation, agave plants and immortals