Erect, 30-80 cm tall, floating or submerged (amphibious), perennial herb. Stem floating, submerged or aerial, glabrous or sometime covered with stiff hairs, rooting at the nodes. Leaves 6-12 x 2-4 cm, elliptic-lanceolate or oblong, obtuse-acute, truncate or subcordate at base, petiolate or subsessile, petiole 4-10 cm long. Ochreae 10-20 mm long, truncate, glabrous or rarely sparsely ciliate-hispid. Inflorescence densely flowered, conical, 8-30 mm long, solitary raceme. Ochreolae 1-2 x c. 1 mm, ovate. Flowers pedicellate. Tepals 5, biseriate, bright red or pink, 2-2.5 x 1.5-2 mm narrowly elliptic. Stamens 5, exerted. Ovary oval, 1.3-2 mm long, with inserted or exserted styles, styles 2, 2-4 mm long, free, stigma capitate. Nuts 2.5-3.3 x 1.5-2.0 mm, ovoid or orbicular, shining, dark brown, inserted or slightly exerted with the base of style forming a persistent beak.
No one has provided updates yet.