Steyermark, J.A., Berry, P.E., Yatskievych, K. & Holst, B.K. (eds.) (1999)
Limnobium Flora of the Venezuelan Guayana, vol. 5. Missouri Botanical Garden Press
Description of the genus
Perennial, glabrous aquatic herbs. Roots 1 at each node with prominent root-hairs. Leaves floating, with a spongy layer of tissue on the underside; petioles long. Inflorescences unisexual. Male inflorescences sessile or pedunculate with flowers projecting above the water; sepals 3, greenish-white to yellowish; petals 3; stamens in 1-6 whorls of 3 with filaments united in a column. Female inflorescences usually sessile with fewer flowers; sepals and petals similar to those of male flowers; staminodes 2-6; ovary with 3-9 united carpels. Fruit ellipsoid to spherical, beaked.
Worldwide: 2 species, occurring in the eastern USA, Mexico, West Indies and C and S America
Other sources of information about Limnobium:ePIC
(electronic Plant Information Center): LimnobiumFlora Zambesiaca
web site: LimnobiumGoogle
(Germplasm Resources Information Network) taxonomy for plants report for LimnobiumIPNI
(International Plant Names Index): LimnobiumKew Herbarium catalogue
: LimnobiumKew Monocotyledon checklist
Copyright: Mark Hyde, Bart Wursten and Petra Ballings, 2002-13
Hyde, M.A., Wursten, B.T. & Ballings, P.
. Flora of Zimbabwe: Genus page: Limnobium.
http://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=2370, retrieved 20 June 2013