Home Flora of Pakistan
Home
Name Search
Families
Genera
Species
District Map
Grid Map
Inventory Project
Vallisneria spiralis 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: 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).

 

Export To PDF Export To Word
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.
 
 
 
© 2018 Missouri Botanical Garden - 4344 Shaw Boulevard - Saint Louis, Missouri 63110