Perennial (ours). Inflorescence a raceme with relatively few spikelets arranged on opposite sides of the rhachis and facing it laterally.
Spikelets 5-20-flowered, subsessile, terete or slightly laterally flattened. Florets fertile but may be reduced above. Glumes unequal, 3-7(-9)-nerved. Lemmas 7-9-nerved, oblong to oblong-lanceolate, dorsally rounded, mucronate or with a straight awn. Worldwide: 16 species, mainly in temperate Eurasia, extending southwards on tropical mountains; also Mexico and Bolivia Burundi: 1 taxon. |
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