Eleocharis geniculata is a species of spikesedge known by several common names, including bent spikerush and Canada spikesedge. This is a widespread plant of wet areas in the Americas, Asia, Africa, Australia, Madagascar, and some Pacific Islands.Kew World Checklist of Selected Plant FamiliesFlora of China, Vol. 23 Page 196, 黑籽荸荠 hei zi bi qi, Eleocharis geniculata (Linnaeus) Roemer & Schultes, Syst. Veg. 2: 150. 1817. Biota of North America Program 2013 county distribution map It is an annual spikesedge growing to a maximum height of about 40 centimeters. It has a few straw-colored leaves and many thin erect stems. The stems hold inflorescences of rounded spikelets each containing at least 10 tiny flowers. The flowers are covered with dark greenish-brown bracts. The fruit is a shiny purple-brown achene not more than a millimeter long.Flora of North America, Eleocharis geniculata (Linnaeus) Roemer & Schultes in J. J. Roemer et al., Syst. Veg. 2: 150. 1817.
References
External links Jepson Manual Treatment USDA Plants Profile Photo gallery