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Published In: Species Plantarum 1: 338–339. 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-Sept.
Type: Type: “Habitat in Europae inundatis uliginosis”
Distribution: Distribution: Europe, Asia, N. Africa and America.
Comment/Acknowledgements: The Marsh Arrow-grass usually grows in fresh water habitats in the mountain¬ous regions of W. Pakistan. A good forage plant for cattles, sheep and goats.
Photo: Triglochin palustris L. (Photo)
Map Location: A-7 Chitral, Khot An, Stainton 2859 (E)*; Mastuj, Bowes Lyon 901 (E)*; Swat, Utror-Gabrel, Nasir and Z. Ali s.n. (RAW); B-7 Muzaffarabad dist., Leepa valley, near water, flowers white, M. Qaiser & A. Ghafoor 5031 (KUH); Kaghan, R.R. Stewart 3381 (RAW); B-9 Astor, Rattu, R.R. Stewart s.n. (RAW); Tilel, R.R. Stewart 18583 (RAW); B-7 Kishen ganga valley, R.R. Stewart 17841 (RAW); D-4 Baluchistan, Hanna Valley, Lace (E); F-4 Kalat, 2200 m, Jafri & Akbar 1951 (KUH).


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Erect perennial with (10-) 20-50 cm. long scapes, usually in fresh water marshes or water channels, glabrous, somewhat fleshy; plant base looking somewhat bulb-like with dense fibrous roots, but rhizome long, slender. Leaves linear, semi-terete, usually deeply furrowed on upper surface towards the base, usually about half as long as the scapes, 2-3 mm. wide, sheathing at the base; sheath 5-8 cm. long, slightly broader than the blade. Scapes elongating in fruit; racemes 30-80-flowered, terminal, much elongated after flowering, usually 20-30 cm. long in fruit. Flowers c. 3 mm. across. Perianth segments 1.5-2 (—2.5) mm. long, 1-1.5 (—2) mm broad, elliptic-ovate, greenish or whitish with usually purplish margins, glabrous. Stamens about half the length of perianth segments, almost sessile; anthers purplish, 0.5 mm. long. Pedicel stiff, filiform, 3-5 mm long, ascend¬ing, somewhat appressed to the axis in fruit but shorter than it. Fruit linear¬clavate or oblong-linear, tapering towards the base, (6—) 8-10 mm. long, 1 mm broad, ± appressed to the axis, glabrous, separating into three mericarps (each with 1 fertile and 1 sterile carpel together) from below upwards when ripe leaving a triangular axis but mericarps remaining connate with stigma after dehiscence; each mericarp somewhat terete, subulate, tapering-aristate at the base, 1-seeded and 1-loculed; seed nearly as long as the carpel, brown, linear-ellipsoid.
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