Eragrostis invalida Pilg.

Bot. Jahrb. Sust. 34:129 (1904).- Type : Zenker & Staudt 553, Cameroon (holo- B).

Eragrostis glanvillei Hubbard, Bull. Misc. Inf. Kew 1936: 312 (1936).

Regional litterature: FWTA: 389 (1972); Gram. Cameroun: 130 (1992); Poac. CI: 126, fig. (1995); Fl. Guinée: 459 (2009).

Description:

* Perennial caespitose, 15-90 cm long; base glabrous, yellow, slightly fibrous, thickened. Culms erect. Leaves convolute, 10-20 cm long, 2-5 mm wide, hairy; ligule a narrow fringe of long hairs; sheaths  glabrous or slightly hairy.

* Inflorescence an ovate panicle, open and effuse, 5-18 cm long; branches capillary, flexuous. Spikelets solitary, pedicelled; pedicels 8-40 mm long.

* Spikelets comprising 7-35 fertile florets, with diminished florets at the apex, oblong or ovate, 6-17 mm long, 4.0-5.5 mm wide, rhachilla persistent, shedding paleas. Lower glume ovate, 2-2.5 mm long, 1 -veined, acute; upper glume ovate, 2.5-3 mm long, acute. Lemmas ovate, 3-4 mm long, membranous, dark green, 3-veined, acute; palea 2.2-3 mm long, keels conspicuously winged, smooth; apical florets underdeveloped. Anthers 3; 1-1.5 mm long. Caryopsis brown, ellipsoid, dorsally compressed, 1.2-1.5 mm long and 0.5 mm wide. 

Distribution West Africa: Guinea, Sierra Leone, Ivory Coast, Nigeria, Cameroon.

Distribution world-wide: Gabon.    

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