Perennial, tufted, sometimes decumbent or stoloniferous
Leaf blade linear, usually expanded; ligule an unfringed to a fringed membrane, often bearded at collar
Inflorescence of racemes, digitate, or subdigitate, or a panicle with a long central axis, or a spatheate, leafy false panicle (this may not be easily discernible), pedicels and internodes linear, longitudinally grooved with a translucent median line; spikelets usually paired, secund, in long-short combinations: one sessile, the other pedicelled, pedicels free from rachis
Sessile spikelet 3-4 mm long, dorsiventrally compressed, falling with glumes; glumes ± equal, dissimilar, firm to membranous; lower glume flattened on back, 2-keeled, sometimes with 1-3 pits in middle, hairy or glabrous, acute to subacute; upper glume distinctly keeled
Florets 2; lower floret sterile, reduced to hyaline lemma, awnless; upper floret bisexual, lemma less firm in texture than glumes, reduced to a hyaline stipe, glabrous, entire, awned, awn glabrous, geniculate, longer than body of lemma; callus short, rounded, hairy; palea reduced or 0
Pedicelled spikelet symmetrical, same size or smaller than sessile spikelet, glabrous, sterile or male, awnless.
x = 10 (high polyploidy)
Nomenclature:
Bothriochloa Kuntze
Kuntze: 762 (1891)
Stapf: 344 (1898)
Chippindall: 482 (1955)
Clayton & Renvoize: 719 (1982)
Clayton & Renvoize: 344 (1986)
Gibbs Russell et al.: 62 (1990)
Watson & Dallwitz: 175 (1994)
Distribution & Notes:
Global: Species ± 35, throughout the tropics
Southern Africa: Species 3, widespread but not in the Western Cape
References:
CHIPPINDALL, L.K.A. 1955. A guide to the identification of grasses in South Africa. In D. Meredith, The grasses and pastures of South Africa. Central News Agency, Cape Town
CLAYTON, W.D. & RENVOIZE, S.A. 1982. Flora of tropical East Africa. Gramineae (Part 3)
CLAYTON, W.D. & RENVOIZE S.A. 1986. Genera graminum. Grasses of the world. Kew Bulletin. Additional series 13
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
KUNTZE, C.E.O. 1891. Revisio generum plantarum vascularium omnium 2. A. Felix, Leipzig
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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