Knema lenta is a species of flowering plant in the family Myristicaceae.GBIF: Knema glauca (retrieved 19 January 2018) It is called 狭叶红光树 xia ye hong guang shu in Chinese, and máu chó thấu kính in Vietnamese. It is a small tree native to Bangladesh, south-central China (Yunnan), eastern India (the Andaman Islands and Arunachal Pradesh), Myanmar, Thailand, Cambodia, and Vietnam.
The tree grows up to tall, in tropical moist forest areas up to elevation.Flora of China: Knema lenta Retrieved 17 June 2026
The species was described by Otto Warburg in 1897.
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