Murdannia triquetra is a plant in the family Commelinaceae. It is known locally as âÂÂRoucaoâÂÂ(èÂÂèÂÂ) in Guangxi, and as âÂÂfine bamboo-leaf tall grassâÂÂ(ç»Â竹å¶é«ÂèÂÂ) in Guangdong.
Murdannia triquetra is an annual herbaceous plant that grows between 50 and 80 cm tall. The stems are round, solid, and highly branched, with nodes that easily produce roots. Leaves are linear-lanceolate, alternately arranged, and resemble bamboo leaves, with sheathing bases that wrap around the stem. Flowers are light purple and have three petals. The fruits are small, oval capsules with tiny and grayish-black seeds.
Found in Vietnam, Cambodia, Taiwan, India, Laos, and mainland ChinaâÂÂincluding Guangxi, Sichuan, Hubei, Jiangsu, Yunnan, Hunan, Fujian, Jiangxi, Henan, Zhejiang, Hainan, Guizhou, Shandong, Shaanxi, Guangdong, and other regions. It grows at elevations between 290 and 1,600 meters, typically found along the edges of rice paddies and in wetlands. It has not yet been artificially introduced or cultivated.
⢠Kunming Institute of Botany. 水竹å¶