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Published In: Species Plantarum 2: 992. 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. May-July.
Type: Type: Described from Europe, Hb.Linn.1123/1 (LINN).
Distribution: Distribution: Found throughout Europe, Asia, N. & S. America, N. & S. Africa.
Comment/Acknowledgements: Found in fresh water lakes, rivers and canals in the Baluchistan, Baltistan and Kashmir areas from 1000-2500 m.
Illustration: Myriophyllum spicatum L. (Illustration)
Map Location: Baltistan: B-8 Skardu, Webster & Nasir 5751 (RAW); id. G. Webster & E. Nasir 6598 (RAW); Satpara lake, 29.5.65, Mohd. Mushtaq s.n. (RAW); Baluchistan: D-4 Harboi, R. R. Stewart 775 (RAW).


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Submerged perennial. Stems thick, 30-150 cm long, branched, glabrous, rhizome rooting. Leaves 10-25 mm long, pectinate, with 20-26 segments. Spikes terminal, 50-70 mm long, with flowers in whorls of 4 in the axils of bracts; the upper flowers male, the lower female. Bracts 1.5-3 mm long, the upper obovate, entire; the lower: pinnatifid or with a deeply cleft margin. Male flower : sepals 0.5-1 mm long, triangular, obtuse; petals 2 mm long, oblong, cucullate, reddish. Stamens 8, filaments short; anthers 1-1.5 mm long. Female flower: calyx c. 1.5 mm long; petals minute. Ovary c. 1.5 mm long, subglobose; styles short, stigmas plumose. Fruit 2 mm long, subglobose.
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