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Genus :

BULBOSTYLIS

Family :

CYPERACEAE

Description


Annual or perennial sedges. Culms tufted, erect, filiform, terete, striate or sulcate. Leaves basal, bladed or rarely reduced to bladeless sheath, blades narrowly linear or filiform. Involucral bracts leaf-like or glume-like. Inflorescence simple to decompound umbel-like or capitate or reduced to a single terminal spikelet. Spikelets ovoid to ellipsoid; rachilla narrowly winged. Glumes many, all fertile, spirally imbricate. Perianth segment absent. Stamens 1-3, anthers oblong or linear. Style  articulate with the ovary; stigmas 3. Nutlets obovoid to orbicular, trigonous to triquetrous.

Key to the species

Serial Key Reference
1a. Inflorescence capitate; spikelets 2-15; glumes apex witha recurves short awn; nutlets distinctly wrinkled B. barbata
1b. Inflorescence simple to compound anthela; spikelets single; glume apex mucronate; nutlets obsoletely wrinkled B. densa