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Pakistan | Family List | Gentianaceae | Swertia

5. Swertia tetragona (Edgew.) Clarke in Hook. f., Fl. Brit. Ind. 4:122. 1883. R.R. Stewart, l.c., 563, Agrawal & Bhattacharya in Bull. Bot. Surv. Ind. 22:184. 1980, Barg, L.c., 180, Shah in Sc. Khyber, 5:145. 1992.

J. Shah


Islamia College, Peshawar, Pakistan

  • Ophelia tetragona Edgew.

    Annual. Stem 15-50 cm, simple or branched, quadrangular, finely winged or not. Leaves 10-25 x 4-8 mm, narrowly ovate to obovate or ovate, acute or obtuse. Inflorescence paniculate, lax. Flowers pentamerous. Calyx lobes 4-8 x 1-2 mm, narrowly ovate to obovate-oblong or linear, acute, ± free. Corolla bluish white to greenish white, tube 1-1.5 mm, lobes 4-8 x 1.5-2.5 mm, ovate, acute. Glands two per lobe, oblong, fimbriate. Filaments 3-4 mm, filiform, anther ovate, obtuse. Ovary 5-6 mm, oblong stigmas suborbicular, sessile. Capsule 6-10 mm. Seeds rounded, warted.

    Fl. and Fr. Per.: Aug. - Dec.

    Type: India, Simla, Tungru, 6000 - 8000 ft., Edgeworth 89 (Holo. K!).

    A-7 Gilgit, Chalt, R.R. Stewart 26513 (E), near Karimabad, 22.7.1990, M. Qaiser, S. Omer & S.Z. Husain 8454 (KUH), Gilgit, Naltar, 3.9.1990, Jehandar Shah 898 (ICP), Gilgit, Minapin village, 4.9.1990, Jehandar Shah 899 (ICP), Gupis on way to Gahkuch, 21.7.1990, M. Qaiser, S. Omer & S. Z. Husain 8441 (KUH), B-7 Murree, 13.9.1989, T. Ali & S. N. Ahsan 1971 (KUH),

    Distribution: Pakistan, India, Nepal.


     

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