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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; 5–7 cm long; rooting from lower nodes. Lateral branches lacking. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades linear, or lanceolate.
INFLORESCENCE Inflorescence composed of racemes.
Racemes single; bearing 14 fertile spikelets on each. Rhachis fragile at the nodes. Rhachis internodes linear. Rhachis internode tip crateriform.
Spikelets in pairs. Fertile spikelets sessile and pedicelled; 1 in the cluster. Companion sterile spikelets pedicelled; 1 in the cluster. Pedicels linear.
STERILE SPIKELETS Companion sterile spikelets represented by barren pedicels.
FERTILE SPIKELETS Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 1.411–2.04 mm long; falling entire. Spikelet callus pubescent; base obtuse; inserted. Rhachilla internodes definite.
GLUMES Glumes reaching apex of florets; firmer than fertile lemma. Lower glume oblong; cartilaginous. Lower glume surface without pits. Lower glume apex emarginate, or obtuse. Upper glume oblong. Upper glume awned; 1 -awned.
FLORETS Fertile lemma oblong; membranous; wingless. Lemma surface unwrinkled; without grooves. Lemma apex dentate; 2 -fid; awned; 1 -awned. Principal lemma awn from a sinus; geniculate. Palea absent or minute.
FRUIT Caryopsis oblong.
DISTRIBUTION Tropical Asia.
Please cite this publication as detailed in How to Cite Version: 16th November 2012.