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The Lumnitzera (Lumnitzera racemosa) belongs to the family Combretaceae. It is a semi-tall deciduous tree that is distributed from the main island of Okinawa in the Nansei Islands of Japan, and Taiwan, southern China, and tropical Asia, as well as in eastern Africa, Micronesia, and northern Australia. It grows as a mangrove in brackish waters and reaches a height of about 10 m. The trunk is erect, and the bark is brown and rough. Its pneumatophores are inconspicuous; the leaves are fleshy and narrowly obovate, with entire margins or, occasionally, small wavy serrations. From March to July, it produces racemose inflorescences in the leaf axils, bearing small, white, five-petaled flowers. The fruit is a long-elliptical drupe that turns reddish-brown to blackish-brown when ripe; its ability to float on water enables it to be dispersed by ocean currents. It is classified as Critically Endangered (CR) on the Ministry of the Environment's Red List. It is called "欖李" in Taiwanese Chinese and "欖李" (lan li) in Chinese.
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