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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 elongated. Culms geniculately ascending; 100–150 cm long; woody. Lateral branches suffrutescent. Ligule a fringe of hairs.
INFLORESCENCE Dioecious. Synflorescence compound; globose. Inflorescence comprising only a few spikelets; terminal and axillary; deciduous as a whole; subtended by a spatheole; enclosed. Spatheole expanded; ovate; scarious. Peduncle disarticulating.
Spikelets solitary. Fertile spikelets sessile. Male spikelets sessile.
FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 6–10 mm long; falling entire; deciduous with accessory branch structures.
GLUMES Glumes reaching apex of florets; thinner than fertile lemma. Lower glume ovate; chartaceous; without keels; 7–9 -veined. Lower glume surface without pits. Lower glume apex acute. Upper glume ovate; chartaceous; without keels; 7–9 -veined. Upper glume apex acute.
FLORETS Basal sterile florets barren; with palea. Lemma of lower sterile floret ovate; chartaceous; 5 -veined; acute. Fertile florets female. Fertile lemma ovate; indurate; wingless; 5 -veined. Lemma surface unwrinkled; without grooves. Lemma margins involute. Lemma apex acute. Palea indurate.
FLOWER Anthers 3.
FRUIT Caryopsis with adherent pericarp; ovoid.
MALE Male inflorescence similar to female; a spathate compound head. Male spikelets similar to female but less developed; lanceolate. Male spikelet glumes 2.
Please cite this publication as detailed in How to Cite Version: 27th January 2014.