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Published In: Linnaea 13: 391. 1839. (Linnaea) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
Contributor Text: RIZWAN Y. HASHMI & SAOOD OMER
General/Distribution: Cosmopolitan genus with 3 species mostly distributed in temperate and tropical zones; in Pakistan represented by 1 species.

 

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Floating herbs. Fronds asymmetrical with 3-15 nerves, discoid or reniform to obovate, in groups of 2-5, flat or distinctly inflated with a 2-lobed prophyllum at the base; raphides and druses present. Slit of the budding pouch lateral to the margin of the frond, remaining attached to the parent by a slender stipe. Roots 2-18, usually from the swollen portion beneath the fronds. Flowers rarely produced, enclosed in spathe; 2 male and 1 female flower in a lateral slit pouch; each male flower with 1 stamen; anthers 4-thecous; 1-4 ovules in pistillate flowers.
 
 
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