Wolffia

Primary tabs

Wolffia

Description

Minute aquatics, floating at the surface. Inflorescence 1, dorsal, consisting of a cavity containing 1 ♂ and 1 ♀ flower, without a spathe, proterogynic. Ovule 1, orthotropous. Fruit globular. Seed globose or slightly compressed, smooth.

Distribution

tropical, subtropical and temperate regions of the world present
At least 7 spp. in the tropical, subtropical and temperate regions of the world.

Citation

VOIGT - in Not. 1851: 223
HARTOG - in Taxon. 1969
HARTOG & PLAS - in Blumea. 1970: 366
DAUBS, Monogr. Lemnac. 1965: 41
HEGELM. - in Bot. Jahrb. 1895: 301