89.000 Vallisneria L. - Tapegrasses

Symoens, J.J. (2009) Hydrocharitaceae Flora Zambesiaca 12(2)

Description of the genus

Submerged perennial dioecious herbs. Leaves linear, radical, sessile, lacking a midrib; tip obtuse; margin entire or minutely serrate. Flowers unisexual, floating. Male flowers free-floating on surface; female flowers floating, attached to plant by long peduncle. Sepals 3. Petals 1 (male) or 3 (female), minute. Fruit a narrow cylindric capsule.

Worldwide: 2-10 species, tropical and warm temperate

Zimbabwe: 2 taxa.

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Links to taxa:     View: living plant images - herbarium specimen images - all images for this genus

SpeciesFZ divisionsContent
sp.no.1 (Gibbs Russell 1190)E
spiralis L.N,W,C

Other sources of information about Vallisneria:

Our websites:

Flora of Botswana: Vallisneria
Flora of Caprivi: Vallisneria
Flora of Malawi: Vallisneria
Flora of Mozambique: Vallisneria
Flora of Zambia: Vallisneria

External websites:

ePIC (electronic Plant Information Center): Vallisneria
Flora Zambesiaca web site: Vallisneria
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Vallisneria
Wikipedia: Vallisneria
IPNI (International Plant Names Index): Vallisneria
Kew Herbarium catalogue: Vallisneria

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-22

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2022). Flora of Zimbabwe: Genus page: Vallisneria.
https://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=110, retrieved 2 October 2022

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