89.000 Vallisneria L. - Tapegrasses

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

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

Species	Links to maps	FZ divisions	Content
sp.no.1 (Gibbs Russell 1190)	Altitude Rainfall Geology	E
spiralis L.	Altitude Rainfall Geology	N,W,C

Other sources of information about Vallisneria:

Flora of Mozambique: Vallisneria
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
IPNI (International Plant Names Index): Vallisneria
Kew Herbarium catalogue: Vallisneria
Kew Monocotyledon checklist: Vallisneria

Copyright: Mark Hyde, Bart Wursten and Petra Ballings, 2002-13

Hyde, M.A., Wursten, B.T. & Ballings, P. (2013). Flora of Zimbabwe: Genus page: Vallisneria.
http://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=110, retrieved 21 May 2013

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