previous arrow
next arrow

Genus :


Family :


Species of this Genus


Very minute aquatics, free floating. Frond 1 or 2, coherent together, symmetric, globose, ovoid or boat-shaped, never reddish, margins entire, or papillate, nerves and roots absent. Budding pouch basal, median, funnel-shaped, with circular opening and with a rudimentary stipe. Inflorescence 1, dorsal, consisting of a cavity containing 1 male and 1 female flower, without a spathe, proterogynic. Stamen 1, anther unilocular. Female  flower consisting of a globular ovary with a short persistent style. Ovule 1, orthotropous. Fruit globular. Seed 1, globose or slightly compressed, smooth.