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Published In: Taxon 19(2): 300. 1970. (29 Apr 1970) (Taxon) Name publication detail
 

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
Synonym Text: Polygonum convolvulus L. Sp. Pl. 464. 1753; Hook. f., Fl. Brt. Ind. 5: 53. 1886; Kom., Fl. URSS 5: 694. 1936; Cullen & Coode in P.H.Davis, Fl. Turk. 2: 281. 1966; Schiman-Czeika & Rech.f. l.c. 51; R. R. Stewart, Ann: Cat. Vasc. Pl. W. Pak. & Kashm. 205. 1972; Bhopal & Chaudhri, l.c. 70; Bilderdykia convolvulus (L.) Dumort. Fl. Belg. 18: 1827; D.A.Webb in Tutin et al., Fl. Europ. 1: 81. 1964; Fagopyrum convolvulus (L.) H. Gross in Bull. Geogr. Bot. 23: 21. 1913; Fagopyrum carinatum Moench, Meth. 290. 1794; Tiniaria convolvulus (L.) Webb & Moq. in Webb & Berth. Phyt. Canar. 3: 221. 1847.
Flower/Fruit: Fl. Per.: May-September.
Type: Type: Described from Europe Hb. Linn. 510.38 (LINN).
Habitat: Grows at an altitude of 1500-3500 m, as a weed in areas of cultivation, also in crevices in moist shady places.
Distribution: Distribution: Europe, N. Africa, W. Asia, Himalayas (Pakistan, India, Nepal, Sikkim, Xizang).
Comment/Acknowledgements: Closely related to Fallopia dumetorum (L.) Holub and F. dentato-alata (F. Schmidt) Holub, however, F. convolvulus (L.) Holub can easily be identified by the absence of coriaceous wings of the nut and much smaller pedicel, which is articulated above the middle. In both the species, F. dumetorum and F. dentatoalata the pedicel is much longer (up to 10 mm long) and articulated above the middle.
Map Location: A-6 Chitral, Hassan Din 230 (RAW); Darbar Shai, Chitral ± 9000 ft, Muqarrab Shah & Dilawar 2356 (ISL); Bashkeer, Chitral, ± 6000 ft, Muqarrab Shah & Dilawar 2774 (ISL); 2 km from Hotel Inngijan, Garam Chashma, as a weed, G.R.Sarwar & S.Omer 290 (KUH); 3 km from Garm Chashma on way to Kindjall and Avarik, A.Ghafoor & S.Omer 2596 (KUH); Lusht, Chitral, Waliur Rahman & Subhan 503 (ISL); A-7 Gilgit, 4900 ft. 14.7.1954, R. R. Stewart 26258 (BM, RAW); Gilgit residencey, 4900 ft, R. R. Stewart s.n. (RAW); Jung Das, Gilgit Agency, S.R.Saif 68 (ISL); Jutial Nallah, Mir Ajab & M. Afzal 95 (ISL); Nomal, Gilgit, S.R.Saif 121 (ISL); Chinar Bagh, Gilgit, Mir Ajab & Afzal 49 (ISL); B-7 Nathia, July 1907, Harold Deane s.n. (K); B-8 Baltistan, Skardu Rest House, Mir Ajab & Nisar Abbasi 588 (ISL); Nubra, Kashmir, 12-13000 ft, 1.8.1848, T. Thomson s.n. (K); ibid, 28.7.1848, T. Thomson s.n. (K); Below Kasurmik, Baltistan, ± 9000 ft, R.R.Stewart 205524 (RAW); Gurikot, climbing, R.R.Stewart et al. 21956 (RAW); Tilel valley, field weed, ± 9000 ft, R. R. & I. D. Stewart 18564 (RAW); Zaskar valley, Zangla (Kashmir) 26.8.1978, F. Zino s.n. (BM) Zaskar, Skagam 11500 ft. 22.7.1981, Sonthhompton Univ. Bot. Exp. 135 (BM); C-6 Kurram valley, Shalizan, August 26, 1879, J. E. T. Aitchison 657 (BM); Parachinar, ± 6700 ft, common, soil stony, Hafizullah & Nisar 22 (ISL); Parachinar to Zaran, ± 6500 ft, Iqbal Dar & Mahmud Hassan 54 (ISL).

 

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Prostrate or twining annual herb. Stem branched and angular, covered with short hairs, internodes usually short. Leaves petiolate, petiole 6-15 mm long, lamina ovate to oblong ovate or rotund, 15-50 x 7.5-30 mm, acute, with cordate or hastate base, rarely puberulous, glandular; ochrea short, tubular, 3(-3.5) mm long. Flowers 3-6 in axillary fascicles; pedicel shorter than perianth, jointed above the middle. Bracts very short, perianth 5-cleft, tepals green, white margined, 2-2.5 mm long, the outer prominently bluntly-keeled or narrowly winged, slightly accrescent in fruit. Stamens 6-8 with short filaments and dorsifixed anthers. Ovary trigonous, styles 3, very short, stigmas capitate. Nuts dull black to dark brown, 4-5 x 2-2.5 mm, finely granular.
 
 
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