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Myriophyllum verticillatum L. Search in The Plant ListSearch in IPNISearch in Australian Plant Name IndexSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical GardenAfrican Plants, Senckenberg Photo GallerySearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font
 

Published In: Species Plantarum 2: 992–993. 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)
Flower/Fruit: Fl.Per.: July-August.
Type: Type: Described from Europe, Hb.Linn.1123/2(LINN).
Distribution: Distribution: Throughout Europe, Asia, N. & S. America, N. Africa.
Comment/Acknowledgements: Grows in thickets in lakes and ponds. Found abundantly in the Kashmir Valley lakes. Collected here in a stream in the Salt Range, Jhelum Dist. at c. 700 m.
Illustration: Myriophyllum verticillatum L. (Illustration)
Map Location: C-7 Jhelum Dist.: Katas, M. A. Siddiqi 4273 (RAW); id., Y. Nasir & M. A. Siddiqi 4533 (RAW).

 

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Submerged perennial. Stem thick, up to 3 m long, simple, rarely branching, glabrous. Rhizome rooting. Leaves 20-35 mm long, pinnatisect, segments 20-35, linear and filiform. Spike 10-30 cm long. Bracts 10-25 mm long, pectinate, the lower most sterile. Flowers sessile, in whorls of (4-) 5, in the axils of bracts, the upper male, the lower female with a few bisexual ones in between. Male flower: calyx tube c. 1 mm long, lobes triangular; petals 4, oblong-ovate, 2.5-3 mm long, greenish-yellow. Stamens 8, filaments slender; anthers c. 2 mm long. Female flower: calyx as in the male; petals lacking. Ovary subglobose, c. 2 mm long, 4-locular; style short, stigmas plumose. Fruit a schizocarp. Seeds elongated, 1.5 mm long, smooth.
 
 
 
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