大苞萱草 da bao xuan cao

Plants 40--80 cm tall. Roots ropelike, 1.5--3 mm thick, slightly fleshy, sometimes fibrous, without a tuberous part. Leaves linear, 35--80 × 0.8--1.6 cm, base surrounded by fibrous remains of older leaves. Scape stout, hollow. Inflorescence subcapitate, 0.1--0.5 cm, densely 2- or 3(--6)-flowered; bracts green or slightly pink, ovate to ovate-lanceolate, large, 2--6 × 1--3 cm, apex catkinlike. Pedicel 1--3 mm. Flowers slightly fragrant. Perianth golden yellow or orange; tube 0.9--1.7 cm, enclosed by bracts for at least 1/3 its length; segments 6--7.5 cm, inner ones wider than outer, 1--2 cm wide. Filaments ca. 4.5 cm; anthers purplish black, yellow abaxially, ca. 5 mm. Capsule broadly ellipsoid, 1.5--2.3 × 1--1.4 cm. Fl. May--Jun.

Forests, forest margins, meadows, wet grasslands; near sea level to 2000 m. Heilongjiang, Jilin, Liaoning [Japan, Korea, Russia].