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棕是国家二级保护植物。在我国,仅云南和广西的石灰岩山区有少量分布。本文对棕引种繁殖及生物学特性进行初步报道。
brown is a national two protected plants. In our country, only limestone mountainous areas in Yunnan and Guangxi have a small amount of distribution. In this paper, the introduction and reproduction of P. chinensis and biological characteristics of a preliminary report.