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FOC | Family List | FOC Vol. 23 | Cyperaceae | Kobresia

22. Kobresia burangensis Y. C. Yang, Fl. Xizang. 5: 374. 1987.

普兰嵩草 pu lan song cao

Rhizomes short. Basal sheaths prominent, yellowish brown to pale brown, shiny, not retaining dried leaf blades. Culms densely tufted, rigid and erect, subterete, 8-12 cm tall, 1-1.2 mm in diam. Leaves basal, erect, longer than or ± equaling culms; blade filiform, 0.5-0.8 mm wide, margin involute. Inflorescence densely spicate, yellowish brown, narrowly elliptic to lanceolate, 1.8-2(-2.5) × 0.2-0.3 cm; terminal spikelets male, lower ones bisexual; lowest involucral bract glumelike, apex obtuse or rounded. Bisexual spikelets with 1 basal female flower and 2 or 3 distal male flowers. Glumes yellowish brown, with pale green or yellowish green midvein, ovate-oblong or oblong, 5-7 × 2.5-3 mm, obtuse and rounded, midvein broad, margin broadly hyaline. Prophylls lower part pale yellow, upper part brown, obovate-oblong, 3.5-4 × ca. 1.2 mm, membranous, apex truncate and hyaline, 2-keeled, keels slightly scabrid, margins united from base to halfway. Immature nutlets elliptic, obscurely trigonous. Stigmas 3. Fl. Jul.

● Grassy slopes; ca. 5000 m. SW Xizang (Burang).

This species is known only from the immature type specimen.


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