GrassBase - The Online World Grass Flora

Descriptions

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

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

Cyathopus

HABIT Perennial. Culms 80–100 cm long. Ligule an eciliate membrane.

INFLORESCENCE Inflorescence a panicle.

Panicle open. Primary panicle branches whorled at most nodes.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; laterally compressed; 2.5–3 mm long; falling entire.

GLUMES Glumes reaching apex of florets; firmer than fertile lemma. Lower glume oblong; 1 length of upper glume; chartaceous; 1-keeled; 3 -veined. Lower glume surface asperulous; without pits. Lower glume apex caudate. Upper glume oblong; 1 length of adjacent fertile lemma; chartaceous; 1-keeled; 3 -veined. Upper glume surface asperulous. Upper glume apex caudate.

FLORETS Fertile lemma oblong; membranous; keeled; wingless; 5 -veined. Lemma surface unwrinkled; without grooves. Lemma apex acute. Palea 1 length of lemma.

FLOWER Lodicules 2; membranous. Anthers 3.

DISTRIBUTION Temperate Asia, or Tropical Asia.

Please cite this publication as detailed in How to Cite Version: 27th January 2014.