裂叶婆婆纳

Annuals. Stems erect, simple or fastigiate, 5-25 cm tall, hairs white and curly. Leaves early deciduous, lower ones short petiolate, middle sessile; leaf blade ovate, pinnatifid, 5-12 X 4-7 mm, hispidulous, segment margin crenate or entire. Racemes terminal and axillary, elongated, many flowered, glandular or hispid hairy; bracts alternate, lower ones lanceolate and lobed, upper linear and entire. Pedicel 0.5-2.5 mm. Calyx 4-lobed; lobes narrowly lanceolate, 3-veined. Corolla pale blue to blue-purple, rotate, ca. 1/2 as long as calyx; lobes orbicular to ovate. Stamens shorter than corolla. Capsule obcordate, strongly compressed, ca. 3 X 4 mm, base broadly cuneate to rounded, puberulent on surfaces, margin glandular or hispid ciliate. Style less than 1 mm, shorter to almost as high as notch. Seeds ca. 8 per capsule, flattened, convex on both sides, 0.7-0.9 X 0.5-0.7 mm, smooth. Fl. Mar-Jul. 2n = 16.

Xinjiang [Afghanistan, NW India, Kashmir, Kazakhstan, Kyrgyzstan, Pakistan, Russia, Tajikistan, Turkmenistan, Uzbekistan; SW Asia, Europe].

Steppes, Betula forests, trailsides, fields; below 2500 m.