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BECKEROPSIS Fig. & De Not.
PENNISETUM Rich.
Chemisquy, M.A., Giussani, L.M., Scataglini, M.A., Kellogg, E.A. & Morrone, O. (2010) Phylogenetic studies favour the unification of Pennisetum, Cenchrus and Odontelytrum (Poaceae): a combined nuclear, plastid and morphological analysis, and nomenclatural combinations in Cenchrus Annals of Botany 106 107-130
Annuals or perennials. Inflorescence a cylindric, spike-like panicle, bearing deciduous clusters of 1-several spikelets subtended by an involucre of bristles, these flexuous or spiny, filiform and free to the base or ± flattened and united below. Spikelets: lower glume up to 1/2 length of spikelet, sometimes 0; upper glume and lower lemma as spikelet or a little shorter; upper lemma chartaceous to thinly coriaceous with flat thin margins. Derivation of name: From cenchros, the Greek word for millet Worldwide: 30 species in warm and dry regions of America, Africa and India Burundi: 11 taxa. The larvae of the following species of insect eat species of this genus:
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| Species | Content | |
| biflorus Roxb. | Description, Image | |
| ciliaris L. | Description, Image | |
| clandestinus (Hochst. ex Chiov.) Morrone | Description, Image | |
| geniculatus Thunb. | Description | |
| macrourus (Trin.) Morrone | ||
| polystachios (L.) Morrone subsp. atrichus (Stapf & C.E. Hubb.) Morrone | ||
| polystachios (L.) Morrone subsp. polystachios | ||
| purpureus (Schumach.) Morrone | Description, Image | |
| riparius (Hochst. ex A.Rich.) Morrone | ||
| trachyphyllus (Pilg.) Morrone | ||
| unisetus (Nees) Morrone |
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