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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. Culms decumbent; 8–70 cm long. Ligule an eciliate membrane.
INFLORESCENCE Inflorescence composed of racemes; deciduous as a whole.
Racemes borne along a central axis; spreading; unilateral. Rhachis angular. Spikelet packing distant.
Spikelets appressed; solitary. Fertile spikelets sessile.
FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear; laterally compressed; 3–4 mm long; falling entire; deciduous with accessory branch structures.
GLUMES Glumes exceeding apex of florets; gaping. Lower glume lanceolate; 0.5 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume surface without pits. Lower glume apex attenuate. Upper glume linear; 1 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume apex attenuate.
FLORETS Fertile lemma lanceolate; membranous; keeled; wingless; 3 -veined. Lemma surface unwrinkled; without grooves. Lemma apex acuminate. Palea 1 length of lemma; 2 -veined.
FLOWER Lodicules absent.
FRUIT Caryopsis with adherent pericarp; fusiform. Embryo 0.33 length of caryopsis.
DISTRIBUTION North America, or South America.
Please cite this publication as detailed in How to Cite Version: 16th November 2012.