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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. Rhizomes short. Culms 50–100 cm long. Ligule a fringe of hairs. Leaf-blade base with a false petiole. Leaf-blades lanceolate, or oblong. Leaf-blade venation with distinct cross veins.
INFLORESCENCE Synflorescence compound; linear. Inflorescence comprising only a few spikelets; terminal and axillary; subtended by a spatheole; enclosed. Spatheole lanceolate; herbaceous.
Spikelets solitary. Fertile spikelets pedicelled. Pedicels tip pyriform.
FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 10–15 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; truncate.
GLUMES Glumes one the lower absent or obscure; deciduous; shorter than spikelet; thinner than fertile lemma. Upper glume lanceolate; 0.5 length of adjacent fertile lemma; herbaceous; without keels; 10–17 -veined. Upper glume lateral veins with cross-veins. Upper glume apex obtuse.
FLORETS Fertile lemma ovate; coriaceous; much thinner above; without keel; wingless; 9–15 -veined. Lemma surface unwrinkled; without grooves; pubescent. Lemma margins convolute. Lemma apex caudate; with a conical beak. Palea absent or minute.
FLOWER Lodicules represented by a ring of hairs. Anthers 4. Stigmas 1; papillose.
FRUIT Caryopsis with adherent pericarp; oblong; laterally compressed; apex rostrate. Embryo 0.25 length of caryopsis. Hilum linear; 1 length of caryopsis.
DISTRIBUTION South America.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.