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Descriptions

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

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

Digitaria platycarpha

HABIT Perennial; caespitose. Culms 15–25 cm long. Ligule an eciliate membrane. Leaf-blades 2–4 cm long; 2–3.5 mm wide.

INFLORESCENCE Inflorescence composed of racemes.

Racemes 2–3; paired, or digitate; unilateral; 4 cm long. Rhachis narrowly winged; angular; 1 mm wide.

Spikelets solitary. Fertile spikelets sessile.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; 3 mm long; falling entire.

GLUMES Glumes one the lower absent or obscure; shorter than spikelet; thinner than fertile lemma. Upper glume ovate; 0.15 length of spikelet; membranous; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume surface glabrous. Upper glume margins ciliate. Upper glume apex obtuse.

FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret elliptic; 1 length of spikelet; membranous; 7 -veined; smooth; puberulous; ciliate on margins; truncate, or obtuse. Fertile lemma elliptic; 3 mm long; cartilaginous; much thinner on margins; without keel. Lemma margins flat; covering most of palea. Lemma apex acute. Palea cartilaginous.

FLOWER Anthers 3.

DISTRIBUTION Asia-temperate: eastern Asia.

NOTES Paniceae. Henrard 1993.

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