捷克薹草 jie ke tai cao

Rhizome short. Culms 40-70 cm tall, compressed trigonous, scabrous above. Leaves cauline, shorter than culm, blades pale green, linear, 3-7 mm wide, flat, margins serrate, apex acuminate, clothed with orange sheaths at base. Involucral bracts glumelike, lowest setaceous or leaflike, shorter than or equaling inflorescence. Inflorescence cylindric, ca. 5 cm, interrupted below. Female glumes pale orange-brown, ovate, ca. 3 mm, 1-veined costa excurrent into an awn. Utricles pale green or orange-brown or dark gray, longer than glume, ovate or ovate-lanceolate, ca. 5 mm, lustrous, smooth, without conspicuous veins on both faces, apex gradually attenuate into a serrate beak, orifice 2-toothed, orange-brown. Nutlets elliptic, ca. 2.5 × 2 mm, base shortly stipitate; style base slightly thickened; stigmas 2. Fl. and fr. Jul. 2n = 58, 62, 64.

Ravines, forest margins, moist places; ca. 1800 m. Xinjiang [Russia (W Siberia); C Asia, Europe].