Monoecious terrestrial herb. Stems creeping with lax, ± sprawling branches 2-10 cm long, to 20 cm when submerged. Lvs on broad membranous connate petioles; lamina thick, 3.7-8 × 1.2-4 mm, spathulate, 3-nerved, entire; base broad, membranous and connate. Fls solitary or sometimes 2 together, ebracteate. Filaments to 9 mm long, tapering from broad base. Styles 2-2.5 mm long, persistent. Fr. 1.1 × 1.2-1.3 mm, with narrow membranous wing; faces rounded; commissural groove fairly wide, deep and sharp.
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