大卷耳 da juan er

Herbs perennial, 20--40 cm tall, tomentellous, distally glandular pubescent. Stems simple, erect. Leaves linear-lanceolate to lanceolate, 4--8 × 0.5--1.5 cm, apex acuminate. Cyme terminal; bracts leaflike. Pedicel glandular hairy. Sepals oblong-ovate or ovate, 6--10 × 3--4 mm, glandular pubescent, margin membranous, apex obtuse. Petals obcordate, 2--3 × as long as sepals, apex crenately 2-lobed. Styles 5. Capsule conical, straight, 1.5--2 × as long as calyx, teeth revolute. Seeds brown, ca. 2 mm, obtusely tuberculate. Fl. Jun--Jul, fr. Aug--Sep.

Scrub, grassy river banks. Xinjiang [Russia; North America].