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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. Culms prostrate; 10–90 cm long; rooting from lower nodes. Ligule an eciliate membrane. Leaf-blades flaccid.
INFLORESCENCE Inflorescence a panicle with branches tipped by a raceme.
Racemes bearing a triad of spikelets. Rhachis obsolete. Raceme-bases filiform.
Spikelets in threes. Fertile spikelets sessile; 1 in the cluster. Companion sterile spikelets pedicelled; 2 in the cluster. Pedicels oblong.
STERILE SPIKELETS Companion sterile spikelets represented by barren pedicels.
FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; 1.66–2.4 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus bearded; base obtuse.
GLUMES Glumes exceeding apex of florets; firmer than fertile lemma. Lower glume ovate; cartilaginous; without keels; 5 -veined. Lower glume surface without pits. Lower glume apex dentate; 2 -fid. Upper glume oblong; cartilaginous; 3 -veined. Upper glume surface pubescent. Upper glume apex acute; mucronate.
FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret oblong; hyaline. Fertile lemma oblong; hyaline; without keel; wingless; 1 -veined. Lemma surface unwrinkled; without grooves. Lemma apex lobed; 2 -fid; incised 0.4 of lemma length; awned; 1 -awned. Principal lemma awn from a sinus; geniculate. Palea absent or minute.
FLOWER Lodicules absent. Anthers 2.
DISTRIBUTION Tropical Asia.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.