Echinochloa obtusiflora Stapf

FT9: 606 (1920).- Type: Macleod 91, 151a, Cameroon  (holo- BM, syn- K).

Regional litterature: FWTA: 439 (1972); Gram. Cameroun: 249, fig. (1992); Poac. Niger: 401, fig. (1999); Fl. Chad (2013); Pl. Sudan & S Sudan: 127 (2015).

Description:

* Caespitose annual or multiannual of 0.5-1 m high. Culms massif, erect or geniculately ascending. Leaves linear, 5-20 cm long and 2-5 mm wide; ligule a line of short hairs ; sheaths glabrous with ciliated margins.

* Inflorescence in a panicle of 5-25 cm high, with 2-12 racemes along a central axis of 3-15 cm long. Racemes 1-4 cm long; rhachis angulalr, 0,7 mm wide, scabrous, sometimes with long hairs. Spikelets packing 4-rowed.

* Spikelets ovate, turgid, obtus, 2.5-3.4 mm long; callus oblong. Glume unequal, membranous; the lower 1/3 and the upper as long as the spikelet. Lower lemma similar to upper glume, with palea, chartaceous, obtuse, 5-veined; upper glume elliptic, slightly shorter than spikelet, indurate, pallid, shiny, striate, palea reflexed at apex. Anthers 3, 2 mm long.  

Distribution West Africa and world-wide: Senegal, Niger, Nigeria, Cameroon, Chad, Sudan.

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