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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 Annual (1), or perennial (1). Stolons absent (1), or present (1). Culms decumbent (1), or prostrate (1); 5–15–30 cm long; rooting from lower nodes. Ligule a fringe of hairs. Leaf-blades lanceolate.
INFLORESCENCE Inflorescence composed of racemes; deciduous as a whole; subtended by sheathless blades; exserted (1), or enclosed (1). Peduncle widened at apex; disarticulating.
Racemes single; erect; lanceolate; unilateral; bearing few fertile spikelets; bearing 1 fertile spikelets on each (1), or 2 fertile spikelets on each. Rhachis broadly winged; foliaceous; folded transversely to form a capsule; terminating in a sterile spikelet. Spikelet packing adaxial; 1 -rowed.
Spikelets solitary. Fertile spikelets sessile.
FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic (1), or ovate (1); dorsally compressed; 4.399–5.439–6.36 mm long; falling entire; deciduous with accessory branch structures.
GLUMES Glumes one the lower absent or obscure; shorter than spikelet (1), or exceeding apex of florets (1); thinner than fertile lemma. Upper glume ovate; membranous; without keels; 3–4 -veined (1), or 5 -veined, or 6–7 -veined (1). Upper glume surface pubescent. Upper glume apex acute.
FLORETS Basal sterile florets male, or barren; with palea. Lemma of lower sterile floret ovate; membranous; 5 -veined; acute. Fertile lemma elliptic (1), or ovate (1); indurate; without keel; wingless; 5 -veined (1/1). Lemma surface unwrinkled; without grooves. Lemma margins flat (1), or involute (1). Lemma apex acute. Palea indurate.
FLOWER Anthers 3.
DISTRIBUTION Africa, or Temperate Asia (1), or Tropical Asia (1), or Australasia (1), or Pacific (1).
Please cite this publication as detailed in How to Cite Version: 16th November 2012.