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Descriptions

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

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

Dissanthelium longifolium

HABIT Perennial; caespitose. Culms 6–10 cm long; 2–3 -noded. Ligule an eciliate membrane. Leaf-blades 3–6 cm long; 1 mm wide.

INFLORESCENCE Inflorescence a panicle; shorter than basal leaves.

Panicle contracted; linear; 2–3 cm long.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; 2.7–2.8 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes persistent; similar; reaching apex of florets; thinner than fertile lemma. Lower glume lanceolate; 2.7–2.8 mm long; 1 length of upper glume; membranous; 1-keeled. Lower glume apex acute. Upper glume lanceolate; 2.7–2.8 mm long; 1 length of adjacent fertile lemma; membranous; 1-keeled. Upper glume apex acute.

FLORETS Fertile lemma lanceolate; 2.7–2.9 mm long; chartaceous; keeled; 3 -veined. Lemma midvein scabrous. Lemma apex acute.

DISTRIBUTION South America: western South America.

NOTES Aveneae. Gr Peru 1997.

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