All Floras      Advanced Search
Pakistan V. 205 Login | eFloras Home | Help
Pakistan | Family List | Pakistan V. 205 | Polygonaceae | Knorringia

1b. Knorringia sibirica subsp. thomsonii (Meisn. ex Steward) S. P. Hong in Nord. J. Bot. 9: 354. 1989; (Fig.9, B-E).

Polygonum sibiricum Laxm. var. thomsonii Meisn. ex Steward in Contr. Gray Herb. 88: 112. 1930;. Polygonum sibiricum Laxm. subsp. thomsonii (Meisn. ex Steward) Rech.f. & Schiman-Czeika in Rech. f., Fl. Iran. 56: 54. t. 7. 4. 1968; R. R. Stewart, Ann. Cat. Vasc. Pl. W. Pak. & Kashm. 209. 1972; Polygonum pamiricum Korsh. in Mem. Acad. St. Petersb. Ser. 8, f.4: 98. 1896; Y. S. Grigorev, l.c.; Aconogonum pamiricum (Korsh.) Hara, Fl., East. Himal. 632. 1966; Knorringia pamarica (Korsh.) Tzvelev in Nov. Syst. 24: 76. 1987.

Perennial, dwarf, glabrous, densely branched, rhizomatous herb. Rhizome long, ± thick. Stem erect or ascending, up to 5 cm, rarely 10 cm high. Leaves succulent, 8-31 x 2-11 mm, linear, obtuse-acute, margin revolute, auriculate at the base, petiole 2-5 mm. Ochrea 3-20 mm long, orbicular-tubular, membranous, ciliate or fimbriate. Inflorescence a compact, terminal, ovate, up to 12 mm long, raceme. Flowers 1.5-2.5 mm across, pedicellate, pedicel up to 2.0 mm long. Tepals 5, 1.5-2.25 x 1-2.0 mm, ovate to broadly-ovate, obtuse, entire, unequal. Stamens 8, filaments long, filiform, equal, crimson. Ovary 1.75-2.25 x 1.25-1.5 mm, ovate, trigonous, styles three, very short with capitate stigmas. Nuts 1.9-3.0 x 1.5-1.75 mm, ovate, trigonous, black, shining, glabrous, not exceeding the perianth lobes.

Fl. Per.: July-August.

Type: Tibet, Thomson (W).

Grows between 3000-5000 m in saline soil and sandy areas. It is used as greens; Distribution: Central Asia, China, Afghanistan, Kashmir, up to Nepal and Sikkim.


Related Objects  
  • Illustration
  • Illustration

     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |