315. Carex hastata Kükenthal, Repert. Spec. Nov. Regni Veg. 27: 110. 1929.
戟叶薹草 ji ye tai cao
Rhizome short, woody. Culms lateral, 25-40 cm tall, slender, trigonous, scabrous above, clothed at base with dark brown sheaths disintegrating into fibers. Leaves surpassing culm, blades gray-green, linear, 4-6 mm wide, flat, rigid, margins scabrous, apex acuminate. Involucral bracts shortly bladed, scabrous on margins, sheathing. Spikes 2 or 3, approximate; terminal spike male, linear, ca. 1 cm, shortly pedunculate; lateral spikes female, oblong-ovate, ca. 12 × 5-7 mm, few to 7-flowered, shortly pedunculate, uppermost female spike and terminal male spike nearly paired. Female glumes yellow-white, ovate, green 3-veined costa excurrent into a scabrous short awn, apex acute. Utricles yellow-green, longer than glume, obliquely patent, rhomboid, ca. 7.5 mm, membranous, glabrous, finely many veined, base cuneate, apex abruptly contracted into a scabrous long beak, orifice 2-toothed. Nutlets yellow-brown, tightly enveloped, elliptic, trigonous, up to 5 mm, base with erect stipe ca. 1 mm, apex abruptly contracted into a beak ca. 1 mm, orifice slightly enlarged; style base thickened; stigmas 3. Fr. Apr-May.
● Bamboo forests. Hunan, Zhejiang.