Botany Biology Phenology Ecology Distribution
| Description : | Terrestrial, annual, tufted erect or prostrate herb, rooting at nodes. Roots fibrous, white or brown. Stems flat, hollow, glabrous. Nodes glabrous. Stipules absent. Leaves alternate spiral, sessile, linear, more than 2 cm long/wide, margin entire or undulate, apex acute, base clasping, parallel-veined. Leaf sheath present, rounded in cross section. Ligule membrano-ciliate. Flowers bisexual, grouped together in a terminal digitate raceme, sessile, green or brown, petals not visible. Fruit a nut. |