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Descriptions

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

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

Decaryella

HABIT Annual. Culms decumbent; 10–30 cm long. Ligule a ciliate membrane.

INFLORESCENCE Inflorescence composed of racemes.

Racemes single; multilateral.

Spikelets ascending, or spreading; solitary. Fertile spikelets pedicelled. Pedicels filiform, or linear; tip widened.

FERTILE SPIKELETS Spikelets comprising 1–2 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; 6–8.5 mm long; falling entire; deciduous with the pedicel.

GLUMES Glumes exceeding apex of florets; firmer than fertile lemma. Lower glume ovate; 1 length of upper glume; coriaceous; without keels; 5 -veined. Lower glume surface without pits; hispidulous. Lower glume apex awned. Upper glume ovate; 3 length of adjacent fertile lemma; coriaceous; without keels; 5 -veined. Upper glume surface pubescent. Upper glume apex acute; awned; 1 -awned.

FLORETS Fertile lemma ovate; membranous; without keel; wingless; 1–3 -veined. Lemma surface unwrinkled; without grooves. Lemma apex obtuse, or acute.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION Africa.

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