目前为止，中国西南野生生物种质资源库共保藏该物种: 种子17份; DNA材料33份; DNA1份;

• 科:莎草科    Cyperaceae
• 属:薹草属    Carex
• 种:青藏薹草   Carex moorcroftii

45. Carex moorcroftii Falconer ex Boott, Trans. Linn. Soc. London. 20: 140. 1846. 青藏薹草 qing zang tai cao Carex melanantha C. A. Meyer var. moorcroftii (Falconer ex Boott) Kükenthal.Rhizome creeping, thick. Culms 7-20 cm tall, trigonous, firm, clothed at base with brown sheaths disintegrating into fibers. Leaves shorter than culm, blades linear, 2-4 mm wide, flat, leathery, margins scabrous. Involucral bracts setaceous, shorter than inflorescence, sheathless. Spikes 4 or 5, approximate, lowest spike ± distant, densely many flowered; terminal spike male, oblong or cylindric, 1-1.8 cm; lateral spikes female, ovate or oblong, 0.7-1.8 cm, sessile or lowest with rather short peduncle. Female glumes purple, ovate-lanceolate, 5-6 mm, margins broadly white hyaline, apex acuminate. Utricles yellow-green, purple above, equaling or slightly shorter than glume, elliptic-obovate, trigonous, leathery, faintly veined, apex abruptly contracted into a short beak, orifice 2-toothed. Nutlets obovate, trigonous, 2-2.3 mm; stigmas 3. Fl. and fr. Jul-Sep.Alpine meadows in thickets, grasslands, lakesides, plateaus; 3400-5700 m. Qinghai, W Sichuan, Xizang [NE India].【引自：Flora of China】

匍匐根状茎粗壮，外被撕裂成纤维状的残存叶鞘。秆高7-20厘米，三棱形，坚硬，基部具褐色分裂成纤维状的叶鞘。叶短于秆，宽2-4毫米，平张，革质，边缘粗糙。苞片刚毛状，无鞘，短于花序。小穗4-5个，密生，仅基部小穗多少离生；顶生1个雄性，长圆形至圆柱形，长1-1.8厘米；侧生小穗雌性，卵形或长圆形，长0.7-1.8厘米；基部小穗具短柄，其余的无柄。雌花鳞片卵状披针形，顶端渐尖。长5-6毫米，紫红色，具宽的白色膜质边缘。果囊等长或稍短于鳞片，椭圆状倒卵形，三棱形，革质，黄绿色，上部紫色，脉不明显，顶端急缩成短喙，喙口具2齿。小坚果倒卵形，三棱形，长约2-2.3毫米；柱头3个。花果期7-9月。 【引自：中国植物志】