矮琼棕是我国特有的珍稀植物，仅产于海南省陵水县吊罗山。该种为琼棕属仅有的两种植物之一，另一种琼棕亦为海南特产。二者区别为：矮琼棕较矮小，高１５—２米，叶也较小，且裂片较少，花序较小，不分枝或仅２—３个分枝，果实扁球形，直径１２厘米；琼棕高３米或更... Dwarf Chinense, a rare endemic plant in China, is only found in Diaoluoshan, Lingshui County, Hainan Province. The species is only one of the two plants of the genus Joanum, which is also a Hainan specialty. The difference between the two is as follows: short dwarf Qiong brown, high 1  5-2 m, leaves smaller, and less lobes, inflorescence smaller, unbranched or only 2-3 branches, flat oblate fruit, diameter 1  2 cm; Joan brown 3 meters high or more ...