青岛薹草 qing dao tai cao

Rhizome thick, obliquely ascending. Culms 30-40 cm tall, slender, trigonous, clothed at base with dark brown sheaths disintegrating into parallel fibers. Leaves longer than culm, blades linear, 3-5 mm wide, leathery. Involucral bracts shortly bladed, shorter than subtending spike, sheathing 2.5-4 cm. Spikes 2 or 3; terminal spike male, cylindric, ca. 40 × 7 mm; lateral spikes female, with few male flowers at apex, distant, cylindric, 4-5 × ca. 0.8 cm, densely flowered; peduncles 3-5 cm. Female glumes brown, elliptic-lanceolate, 8-10 mm, 3-veined costa excurrent into a scabrous awn ca. 5 mm, apex truncate or emarginate. Utricles obovate-elliptic, trigonous, 5-6 mm, glabrous, faces concave at base, apex abruptly contracted into a scabrous beak ca. 3 mm, orifice deeply 2-lobed. Nutlets obovate, trigonous, 2-2.5 mm, faces concave at base; style slender, base curved; stigmas 3.

● Shandong (Qingdao).