Limnobium Rich.
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 Zimbabwe: 1 taxon. |
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Species | FZ divisions | Content |
laevigatum (Humb. & Bonpl. ex Willd.) Heine | N,W,C | Description, Image |
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Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-23
Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M.
(2023).
Flora of Zimbabwe: Genus page: Limnobium. https://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=2370, retrieved 4 February 2023
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