CAS botanists recently found the survivor of Paraisometrum mileense W. T, Wang, a domestic plant species thought to be extinct for a hundred years. The holotype of the plant was first brought to light by French missionary E. Ducloux in the county of Mile in southwest China's Yunnan Province in 1906 and has been kept in Paris. In 1997 when WANG Wenchai, a CAS member, wrote articles for the corpus Flora China, he had to consult the Paris specimen. P. milleense is in a unique genus containing only a single species endemic to Yunnan, according to Wang. Usually, the plant grows on the crags of the limestone 2,000-2,600m in elevation and it is merely found in the counties of Mile and Shilin in southeast Yunnan.
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