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!Sagittaria L. Search in The Plant ListSearch in IPNISearch in Australian Plant Name IndexSearch in Index Nominum Genericorum (ING)Search in NYBG Virtual HerbariumSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical Garden Decrease font Increase font Restore font
 

Published In: Species Plantarum 2: 993. 1753. (1 May 1753) (Sp. Pl.) 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)
General/Distribution: A cosmopolitan genus of about 20 species.

 

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Erect, perennial herbs. Leaves petiolate, polymorphic, aerial leaves lanceolate to elliptic-ovate, with sagittate base, submerged leaves modified into ribbon like phyllodes, acute. Inflorescence an erect raceme of 3-flowered verticils, each verticil subtended by 3 subconnate bracts. Flowers unisexual (plants then monoecious or dioecious) or polygamous, male flowers present towards apex of racemes, female or bisexual flowers towards the base, pedicels erect or suberect, recurved & thickened in fruit. Thalamus globular or oblong. Sepals recurved, patent or appressed persistent in fruit. Petals white, occasionally pink or purple-spotted at the base. Stamens 6-many, staminodes mostly present in female flowers. Carpels numerous, spirally borne on the thalamus; ovaries laterally compressed, uniovulate; styles erect, terminal or lateral, stigma papillate. Achenes many, laterally compressed, thin, winged and beaked.
 

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1 Leaf lobes and blade obtuse. Stamens 6-15. Achenes elliptic with distinctly blunt toothed dorsal wing
+ Leaf lobes and blade sharply acute. Stamens c. 20. Achenes triangularly obovate with sub-crenate to entire wing Sagittaria trifolia
 
 
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