Lactuca undulata Ledeb., Pl. Alt. 4: 146. 1833; Hook.f., Pl. Brit. India 3: 404. 1881.

Herbs, annual; stems 15 - 35 cm high, glabrous or glaucous, dichotomously branched from the base. Leaves 1 - 7 x 0.5 - 2 cm; radical leaves narrowed at base, sessile; lobes entire or sparingly toothed; cauline with dilated base or auricled, sessile; Heads narrow cylindric, 1.7 - 2.2 x 0.4 - 0.5 cm, erect; peduncle slender, bracteate. Outer involucral bracts ovate, 3 - 5 x 1 - 1.5 mm, small, glabrous, gradually passing into inner; inner oblong, 18 - 20 x 1.5 - 2.0 mm, unequal, finely glabrous, oblong, obtuse. Ligules white, pink or bluish. Anthers bluish or pinkish. Stigma purplish. Achenes brown or grayish brown, oblanceolate 13 - 14 mm long, much compressed, 3 - 4 ribbed. Pappus milky white, 4 - 6 mm long.

Fl. & Fr. July - Sept.

Distrib. India: W. Himalayas, on alpine hill slopes, 3000-3500 m. Jammu & Kashmir.

Afghanistan, Pakistan, Iraq and C.I.S.