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Published In: Description de l'Égypte, . . . Histoire Naturelle 2: 282, pl. 50, f. 3. 1813. (Descr. Égypte, Hist. Nat.) Name publication detail

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
Flower/Fruit: Fl. Per.: July-Sept.
Type: Type: Aegyptus., Delile (vide Dandy l.c. 1971).
Distribution: Distribution: Tropics of Africa, Asia and Australia. Introduced into some parts of Europe (Italy, Romania & Bulgaria) and North America.
Illustration: Najas graminea Delile (Illustration)
Map Location: C-7 Punjab: Rawalpindi District, 1700 ft, R.R. Stewart 8472 (RAW).


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Stem up to 35-40 cm long and upto 0.7 mm thick, without spines; lower intemodes up to 10 cm long. Leaves linear, 10-40 x 0.5-1 mm, acute; with 2-3 teeth on the apex, flexible, minutely serrulate, c. 30 or more teeth on each margin, midrib without spines. Sheath wider than the laminae, prolonged on each side, narrowly triangular or deeply auriculate with 8-15 teeth on each side. Flowers without spathe, 1-2 per axil, staminate in the upper axil. Male flowers: 2-3 mm long, anther 4-thecous. Female flower: style with 2-3 stigmas. Fruits oblong-ellipsoid to subcylindric, 1.75-2.25 mm long. Amok irregular in shape and size, quadragular, rectangular to hexagonal.
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