Henningia anisoptera Karelin & Kirilov, Bull. Soc. Imp. Naturalistes Moscou 15: 517. 1842.

Leaves to 35 × 0.4--0.6 cm, glabrous, margin smooth or minutely and remotely serrulate. Scape 50--100 cm, glabrous. Raceme laxly many flowered; bracts narrowly lanceolate, 2.5--3.5 cm × 2--5 mm, membranous, midvein brown, margin long and flexuous ciliate, apex long filiform acuminate. Pedicels ascending, 2--4 cm, stout. Perianth broadly campanulate; segments white or pale rose, yellow-brown at base, ovate-oblong, ca. 1.5 × 0.6--0.8 cm, with 1 dark brown vein from base, persistent and spreading to reflexed in fruit. Stamens ca. 2/5 as long as perianth. Capsule globose, 1.5--2 cm in diam., smooth or distally wrinkled; valves thick and hard or spongy, septa conspicuous, golden yellow. Seeds light grayish brown mottled dark brown, 6--8 × 4--5 mm including unequal (to 2 mm) wings along angles. Fl. Apr--May, fr. May--Jun. 2 n = 14.

Sand hills. N Xinjiang (Shawan Xian) [Kazakhstan].