Annuals or perennials.
Inflorescence of racemes along a central axis or a
panicle condensed about the primary branches (E.
meyeriana). Spikelets single, paired or clustered, elliptic, thinly biconvex, supported on a globular bead-like callus; lower glume vestigial (but present in E.
meyeriana), adnate to the swollen basal internode; upper glume as long as spikelet, often with an awn; upper lemma
coriaceous, granulate, usually mucronate. Worldwide: c. 30 species in tropical and warm regions Botswana: 4 taxa. |
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