GrassBase - The Online World Grass Flora


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

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


HABIT Perennial. Culms erect; 60–90 cm long. Ligule a fringe of hairs.

INFLORESCENCE Gynodioecious ("male", in this context, indicating the bisexual state). Inflorescence a panicle.

Panicle contracted.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 3 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; 5–6 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite. Floret callus evident; pilose.

GLUMES Glumes persistent; exceeding apex of florets; thinner than fertile lemma; gaping. Lower glume lanceolate; 1 length of upper glume; membranous; without keels; 3 -veined. Lower glume surface without pits. Lower glume apex attenuate. Upper glume lanceolate; 1.2 length of adjacent fertile lemma; membranous; without keels; 3 -veined. Upper glume apex attenuate.

FLORETS Fertile florets female. Fertile lemma oblong; chartaceous; without keel; wingless; 7 -veined. Lemma surface unwrinkled; without grooves; villous. Lemma apex dentate; 2 -fid; incised 0.1 of lemma length; awned; 3 -awned. Principal lemma awn from a sinus; straight, or curved. Palea keels ciliolate. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Lodicules 2; fleshy; ciliate. Anthers 3.

FRUIT Caryopsis with adherent pericarp.

MALE Male inflorescence similar to female. Male spikelets resembling female.


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