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Published In: Species Plantarum 2: 1015. 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)
Contributor Text: ABDUL GHAFOOR
Flower/Fruit: Fl. Per.: October-March.
Type: Type: “Habitat in Pisae & Florentiae fossis”.
Distribution: Distribution: South Europe, West Asia to Indo-Pakistan subcontinent.
Comment/Acknowledgements: It is commonly grown in aquaria.
Map Location: B-6 Near Peshawar, ditch, H.H. Johnston 19 (E); C-7 Attock Dist.: Campbellpur, female plant, Stewart 7763 (NY); Hassan Abdal, 1200 ft ., J.E.T. Aitchison 100 (K); Hassan Abdal, 1800 ft., R. R. Stewart 340 (K); Ibid, 30.3.1944, Harnam Das s.n. (KUH); Sargodha Dist.: Salt Range, J.E.T. Aitchison 31 (K); C-8 Sialkot, male plant, Stewart 586 (NY); F-4 Dadu Dist.: 1½ miles from Sehwan on way to Dadu, aquatic, submerged, fls. greenish white, common, Kamal A. Malik et al 1922 (KUH); G-4 Thatta Dist.: Mirpur Sakro, Abu .Dhabi Lake, K.A. Malik et al 2024 (KUH); Karachi Dist.: Bund Murad, Hub River, near shaded place, common, S.M.H. Jafri 2642 (KUH); Scindhe, Ritchie 695 (K); Ibid, Stocks 284 (K); Ibid, Stocks s.n. (BM).


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A caulescent submerged herb with coarse, up to 10 cm long, terete stolons. Leaves redical, linear-oblong, ribbon-shaped, upto 50 cm long, 1-1.5 (-2) cm broad, faintly 7-9-costate, costae parallel. intercostals present, longitudinally brown-black striped, margins faintly denticulate to entire, obtuse. Male spathes oblong, c. 6 mm long, peduncles 2-3 cm long. Male flowers pedicellate, c. 0.5 mm across; sepals unequal, recurved; stamen solitary by fusion or 2, erect. Female spathe 1-2 cm long, enveloping the ovary to more than half its length, bilobed at apex, peduncle filiform, longer to nearly as long as leaves, spirally coiled in fruit. Female flower: solitary; sepals ovate-oblong. 1.5-4 mm long, c. 1-2 mm broad, obtuse, persistent; ovary 1.5-2.5 cm long, styles 3. bifid, alternating with the scarious rudimentary petals, stigmas hairy. Fruit up to 20 cm long, greensih-yellow, many-seeded. Seeds fusiform to cylindrical, 1.5-3 mm long.
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