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(Last Modified On 6/2/2011)
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Acceptance
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Accepted
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(Last Modified On 6/3/2011)
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Synonym Text:
Polygonum alpinum All., Auct. Synop. Method. Strip. Hort. Reg. Taur. 4: 94. 1773; Fl. Pedem. 2: 206. t. 68. f. 1. 1785; Hook. f., Fl. Brit. Ind. 5: 49. 1886; Coode & Cullen in P.H.Davis, Fl. Turk. 2: 271, 1966; P. weyrichii F. Schmidt var. alpinum Maxim. ex Feash. et Sav., Enum. Pl. Jap. 2: 402. 1875; Persicaria alpina (All.) H. Gross in Bull. Geogr. Bot. 23: 31. 1913; Pleuropteropyrum alpinum (All.) Kitagawa, Neo-Lineam. Fl. Manschur. 295. 1937; Munshi & Javeid, l.c. 78; Polygonum angustifolium Pall., Reise Russ. Reich. 3: 230. 1776; Persicaria angustifolia (Pallas) Ronse Decr. in Bot. J. Linn. Soc. 98: 367. 1988; Aconogonon alpinum var. stewartii S.-P. Hong, l.c. 81.
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Flower/Fruit:
Fl. Per.: June-August.
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Type:
Lectotype: Described from N. Italy; Piedmont, Formazza valley, Anonymous (TO).
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Habitat:
A highly variable species especially in the degree of pubescence on the leaves and stem which vary from densely hairy to almost glabrous. However the variation seems to be continuous. S.-P. Hong (l.c.) recognized var. stewartii on the basis of dull whitish tomentum on the lower side of the leaves. This character is not correlated with any other character. Grows between 2000-4000 m in open meadows, shady slopes.
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Distribution:
Distribution: North America, Spain, Russian Turkestan, Siberia and North Western Himalayas.
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Map Location:
A-7 Chitral Dist.: Gakshal, ± 7800 ft, A. R. Beg Chit 1747 (PPFI); Naltar, 10000 ft, 23.7.1954, R. R. Stewart 26264, 26264a (BM, RAW); B-7 Kashmir, Jajinar, Pir Panjal, J. F. Duthie 25754 (KUH); Kharam Dan Derlai, Gilgit, fls. pinkish, sandy soil, ± 4900 m Mir Ajab Khan et al. 525 (ISL); Gilgit, 1 mile from Babusar village on way to Gilgit, M. Qaiser & A. Ghafoor 5392 (KUH); Chinkidas, 2 miles from Babusar towards Chilas, ± 9500 ft, Zubair, Khalid & Javeid 93, 106 (ISL); Jamudas, 2 miles from Babusar towards top, ± 11000 ft, Zubair, Khalid & Javaid 243 (ISL); Babusar village, ± 13000', M. A. Siddiqi & Y. Nasir 2769 (RAW); 3 miles from Babusar top on way to Gilgit, Sultanul Abedin & M. Qaiser 9039 (KUH); Babusar, Hazara, S.R.Saif 12 (ISL); ibid, ± 13000 ft, Shahzad Iqbal & Ashraf Maqsood 389 (ISL); Kaghan, Naran, 5.7.1969, Saeed s.n. (PPFI); Kagan-Naran road, 7-9000', 21.5.1953, S.M.A. Kazmi s.n. (KUH); Naran, fls. white, Shamima Qasim 8260 (RAW); Naran ± 7800 ft, fls. white, Muqarrab Shah & Jamshed 113 (E); Buri Bandi, Hazara, Shaukat & Nisar 1033 (ISL); Chupphar road, Hazara, ± 4000 ft, Shaukat & Nisar 150 (ISL); Swat State, Sho Nala, 9-10000 ft, 24.7.1953, R. R. Stewart & A. Rehman 25220 (BM); Saiful Muluk, Sar (Kaghan valley), ± 10000 ft, Siddiqui et al 2888 (RAW); Lake Saiful Muluk road, Shaukat & Nisar 795 (ISL); Kaghan valley, Naran, 7800 ft, B. L. Burtt & M. Arshad Ali B841 (E); Between Bata Kundi and Naran, common, soil rocky, Muqarrab Shah et al. 1641 (ISL); Naran, Ch. Shaukat Ali 141 (RAW); B-8 Kishen Ganga valley, Kashmir, Zaman 1447 (KUH); Gulmarg, 24.6.1945, Coll. ign. (KUH); ibid, Aitchison 89 (K); Baltistan, Schlagintweit 865 (BM); Banhial Pass, R. R. Stewart, 10724 (RAW); Pisu Gatti, Kashmir, Dwarka Nath, 102 (KUH, RAW); Pahlgam, Kashmir, common in open grasslands and forest borders, 7500 ft, R. R. & I. D. Stewart 5347 (RAW, K); Shankar Garh, Astor valley, Giles 643 (K); Burzil Pass, Gurais Valley - Kashmir, Inayat 25752 (K); Kamri valley, Kashmir, J. F. Duthie 12521 (K); Jammu Pass, Badurwar, Kashmir, 10-11000 ft, 1.6.1848, T. Thomson s.n. (K); Harmukh, Kashmir, 10000 ft., F. Ludlow & G. Sherriff 7881 (E); Kashmir, Giles s.n. (E); Kashmir, 3000 ft, 1915, Prescott Decie s.n. (BM); Tangmarg, 6000 ft, 17.8.1956, O. Polunin 56/388 (BM); Sonamarg, Kashmir, 9000 ft, July, 1912, R. R. Stewart s.n. (RAW); Kashmir, July 1912-1913, R. R. Stewart s.n. (RAW); Darogah forest, Tamgir, Gilgit, 29.7.1971, Azeem & Shakeel s.n. (RAW).
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Erect, 70-120 (-180) cm tall, branched perennial herb, branches few, flexuous, glabrescent to pubescent or glabrous with few hairs below the node. Leaves shortly petiolate, petiole 1.5-8 mm long, pubescent or glabrous, lamina 5-13 x 1-3.5 cm, lanceolate or lanceolate-ovate, acuminate to mucronate at the apex, attenuate to cuneate at the base, densely pubescent to woolly tomentose below, glabrous or sparsely pubescent above; ochrea truncate, membranous, 1.2-2.6 cm long. Inflorescence a simple or well branched terminal panicle, 6-16 cm long. Ochreolae truncate, membranous. Bracts ovate, obtuse 0.75-1 x 0.5-0.6 mm. Flowers pedicellate, pedicel glabrous, 0.6-1.7 mm long, articulate. Tepals 5, subequal, creamy white or sometimes light yellow, 1.5-3 (-3.5) x 0.8-1.5 mm, slightly accrescent in the fruit. Stamens 8, ovary trigonous, styles 3, very short; stigmas capitate. Nuts trigonous, exserted beyond the tepals, 3-4 (-4.5) x 1.6-2.8 mm, ± dark brown, glossy.
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