794.000 Spirodela Schleid.

Description of the genus

Discoid, floating aquatics. Roots short, 3-18, clustered. Thalli solitary or a few cohering temporarily, reniform to rounded or obovate, flat or inflated, often reddish below; nerves 3-15. Budding pouches 2. Inflorescence of 1 female and 2 male flowers enclosed in a membranous spathe. Anther 2-thecous. Seeds longitudinally ribbed or smooth.

Worldwide: 4 species, cosmopolitan

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Species	Links to maps	FZ divisions	Content
polyrhiza (L.) Schleid.	Altitude Rainfall Geology	N

Other sources of information about Spirodela:

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

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

Hyde, M.A., Wursten, B.T. & Ballings, P. (2013). Flora of Zimbabwe: Genus page: Spirodela.
http://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=306, retrieved 25 May 2013

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