Annual or rarely perennial, tufted, often hygrophilous
Leaf blade linear to linear-lanceolate, expanded; ligule an unfringed membrane
Inflorescence a panicle, contracted, dense or much branched and divaricate, usually rigid, always much longer than broad, branches in pseudowhorls on a strongly developed central axis; spikelets solitary, pedicelled
Spikelet 1-3 mm long, laterally compressed, disarticulating above glumes and between florets; glumes unequal to ± equal, shorter than spikelets, ovate to lanceolate, membranous, often subhyaline, keeled, 1-nerved, awnless
Florets 2-10, bisexual, sometimes uppermost floret rudimentary; lemma 0.5-1.0 mm long, similar to firmer in texture to glumes, usually translucent or thinly coriaceous, glabrous, strongly keeled, often depressed between keels, 3-nerved, nerves distinct, rounded, emarginate or acute or sometimes somewhat erose, awnless; callus short, truncate, glabrous; palea subequal to lemma, membranous, 2-keeled, nerves strongly developed in lower part of keels, apex truncate or rounded, or 3-lobed
Lodicules 2, truncate
Stamens 2
Ovary glabrous; styles terminal, plumose
x = 10
Nomenclature:
Diandrochloa De Winter
De Winter: 387 (1960)
Stapf: 630 (1900) under Eragrostis Wolf
De Winter: 182 (1955)
Clayton & Renvoize: 215 (1986), included in Eragrostis Wolf
Gibbs Russell et al.: 104 (1990)
Watson & Dallwitz: 313 (1994)
Distribution & Notes:
Global: Species ± 7, Americas, Australia, Asia and Africa
Southern Africa: Species 2, widespread but not recorded in Western Cape
References:
CLAYTON, W.D. & RENVOIZE S.A. 1986. Genera graminum. Grasses of the world. Kew Bulletin. Additional series 13
DE WINTER, B. 1955. Eragrostis. In D. Meredith, The grasses and pastures of South Africa. Central News Agency, Cape Town
DE WINTER, B. 1960. A new genus of the Gramineae. Bothalia 7
GIBBS RUSSELL, G.E., WATSON, L., KOEKEMOER, M., SMOOK, L., BARKER, N.P., ANDERSON, H.M. & DALLWITZ. M.J. 1990. Grasses of southern Africa. Memoirs of the Botanical Survey of South Africa No. 58
STAPF, O. 1898-1900. Gramineae. Flora capensis 7
WATSON, L. & DALLWITZ, M.J. 1994. The grass genera of the world, revised edn. CAB International, Oxon
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