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Descriptions

W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson

© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.

Eragrostis pseudopoa

HABIT Perennial; caespitose. Rhizomes short. Culms erect; 50 cm long. Ligule a fringe of hairs. Leaf-blades 5–10 cm long; 1.5–3 mm wide.

INFLORESCENCE Inflorescence a panicle.

Panicle open; ovate; 7–11 cm long. Primary panicle branches reflexed. Panicle branches flexuous.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; 4–12 mm long.

FERTILE SPIKELETS Spikelets comprising 5–8 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 6–9 mm long; 4–6 mm wide; breaking up at maturity; rhachilla persistent; shedding paleas.

GLUMES Glumes deciduous; similar; shorter than spikelet. Lower glume lanceolate; 4–5 mm long; 1 length of upper glume; 1-keeled; 1–3 -veined. Lower glume apex acute. Upper glume lanceolate; 4–5 mm long; 1 length of adjacent fertile lemma; 1-keeled; 1–3 -veined. Upper glume apex acute.

FLORETS Fertile lemma elliptic, or ovate; 4–5 mm long; membranous; purple; keeled; 3 -veined. Lemma apex truncate, or obtuse. Palea keels smooth. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Anthers 3; 2.5 mm long.

DISTRIBUTION Africa: east tropical.

NOTES Eragrostideae. FTEA.

Please cite this publication as detailed in How to Cite Version: 3rd February 2016.