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Pakistan | Family List | Gentianaceae | Swertia

2. Swertia thomsonii Clarke in Hook. f., Fl. Brit. Ind. 4:129. 1883. Garge, l.c.: 186. 1987, Shah in Sc. Khyber, 3:34. 1990.

J. Shah

Islamia College, Peshawar, Pakistan

Perennial. Stem 10-100 cm, unbranched. Basal leaves 5-15 x 05-15 cm, oblong ovate to ovate-spathulate, obtuse or sub-acute, rosulate. Cauline leaves 3-8 x 0.5-1 cm, ± connate at the base. Inflorescence paniculate. Flowers pentamerous or tetramerous. Calyx lobes 3-10 x 1-3 mm, ovate, acute to acuminate rarely obtuse. Corolla greenish yellow or with bluish tinge, tube 1-2 mm, lobes 3-8 x 1-3 mm, ovate, obtuse or sub-acute. Glands two per segment, confluent, cushion-shaped, fimbriate or rarely not or less fimbriate. Filaments 4-5 mm, anther ovate. Ovary 4-6 mm, stigmas sub-orbicular to orbicular. Capsule 6-10 mm. Seeds flat annular winged.

Fl. and Fr. Per.: Jul. - Nov.

Type: Kashmir, Sonamarg, Thomson (holo. K!).

B-7 Kagan, near water channel, 7 miles from Burawai on way to Babusar Pass, Sultan-ul-Abedin & M. Qaiser 8986 (KUH), About 8 miles from Barawai on way to Gilgit, M. Qaiser & A. Ghafoor 5357, 5529 (KUH), Saiful-Malook lake, Sep. 27.1986, Abdul Rashid s.n. (KUH), ibid., 9.9.1990, Jehandar Shah (ICP), Naran, Forest Rest House, Jehandar Shah 1230 (ICP), Naran, Lalazar, Jehandar Shah, 1275 (ICP), B-8 Between Gudai and Chilam, S. Omer & M. Qaiser 2499 (KUH), Jullah, M. Sadiq 46 (KUH).

Distribution: Kashmir and N. Pakistan.


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