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Phragmites karka (Retz.) Trin. ex Steud. 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: Nomenclator Botanicus. Editio secunda 1: 144. 1840. (Nomencl. Bot. (ed. 2)) 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. & Fr. Per.: April-November.
Type: Type: India, Koenig (LD).
Distribution: Distribution: Pakistan (Sind, Baluchistan, Punjab, N.W.F.P., Gilgit & Kashmir); tropical Africa, Polynesia, northern Australia and tropical Asia.
Comment/Acknowledgements: Phragmites karka occurs in swamps and beside streams. It is said to be poisonous to cattle (Duthie) but in any case it is far too course for fodder.

For most of their range these two species of Phragmites are allopatric. Phragmites austrails is a temperate species while Phragmites karka is tropical. Pakistan lies on the ecotone, and taxonomic problems are therefore considerable. It is probable that introgression occurs in this region and as a result determination of specimens is largely arbitrary. The measurements given above do not always apply and for the purposes of this Flora considerable importance is attached to the scabridity of the leaves.

Map Location: A-7 Gilgit Agency: along Mir Wall Canal, M. Qaiser & A. Ghafoor 3634 (KUH); B-6 Peshawar dist.: Babi Village, S.A. Malik 18 (KUH): B-8 Gilgit Agency: 5000', R.R. Stewart 26632 (RAW); Baltistan: Skardu, 8000', E. Nasir & G.L. Webster 6590 (RAW); Kashmir: Rupal to Gurikot, 8000-8500', R.R. & I.D. Stewart 18927 (RAW); C-7 Attock dist.: Wah, 1700', R.R. Stewart 12516 (K), 24834 (RAW); Wah Garden, 1800', M. Qaiser 283 (KUH); Hasan Abdal, J.E.T. Aitchison 256, 258 (K); Rawalpindi dist.: Kahuta Tehsil, 2000', R.R. Stewart 28577 (RAW); Kahuta swamp, R.R. Stewart 28649a (KUH); Sargodha dist.: Sakesar, 4000', J.R. Drummond 13836 (K); Shahpur, J.R. Drummond 14752 (K); D-4 Quetta dist.: 19 miles from Quetta on Chaman Road, S.A. Faruqi & M. Qaiser 2315 (KUH); D-6 D.G. Khan dist.: 26 miles from D.G. Khan on way to Taunsa Barrage, M. Qaiser 2571 (KUH); F-4 Dadu dist.: Laki Shah, S.L Ali 543 (KUH); G-4 Karachi dist.: Bund Murad, Pataigote, 27 November 1968, S.I. Ali et al. s.n. (KUH); G-5 Hyderabad dist.: Agricultural College, Tando Jam, J.J. Norris 150 (K); 13 miles from Hyderabad on way to Sakrand, S.A. Faruqi & Sultanul Abedin 569 (KUH); G-6 Tharparkar dist.: c.5 miles from Chachro on way to Mirpurkhas, M. Qaiser & A. Ghafoor 4101 (K, KUH).

 

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Perennial reed, with creeping rhizomes. Culms erect, up to 10m high. Leaf-blades 30-80 cm long and 12-40 nun wide, glabrous, rough to the touch beneath (at least in the upper half), the tips attenuate and stiff (occasionally almost smooth or with filiform tips). Panicle 30-50 cm long, 10-20 cm wide, the lowest node often many-branched in a whorl, the branches bare of spikelets for some distance from their base. Spikelets 9-12 mm long, the rhachilla-hairs 4-7 mm long, rather sparse; lower glume just over half as long as the upper; upper glume narrowly elliptic to very narrowly elliptic, 4-6 mm long, acute to subacute; lowest lemma very narrowly elliptic, 7.5-12 mm long; fertile lemmas very narrowly lanceolate, 85-11 mm long.
 
 
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