水禾(浮水性植物)

Hygroryza aristata

科名：禾本科 Poaceae

屬名：水禾屬 Hygroryza

特徵：水禾（學名：Hygroryza aristata）為禾本科水禾屬下的一個種。水生漂浮草本；根狀莖細長，節上生羽狀鬚根。莖露出水面的部分長約20釐米

Characteristics: Watergrass (Scientific name: Hygroryza aristata) is a species under the genus Poaceae. Aquatic floating herbs; slender rhizomes, pinnate fibrous roots at nodes. The stem is about 20 cm long above the water