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GrassBase - The Online World Grass Flora
Descriptions
W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson
© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
Glyphochloa goaensis
HABIT Annual. Culms 20–35 cm long. Ligule an eciliate membrane; 2 mm long. Leaf-blades 3–5 cm long; 2–3 mm wide.
INFLORESCENCE Inflorescence composed of racemes; terminal and axillary.
Racemes 1; single; unilateral; 3.5–7 cm long. Rhachis fragile at the nodes; subcylindrical and excavated; glabrous on surface. Spikelet packing abaxial. Rhachis internodes hour-glass shaped; 4–4.5 mm long. Rhachis internode tip oblique; crateriform.
Spikelets in pairs. Fertile spikelets sessile; 1 in the cluster. Companion sterile spikelets pedicelled; 1 in the cluster. Pedicels fused to internode; united wholly; flattened.
STERILE SPIKELETS Companion sterile spikelets well-developed; oblong; 4–7 mm long; as long as fertile; deciduous with the fertile. Companion sterile spikelet glumes coriaceous; winged on keels; acuminate; awned; both glumes awned; with 1–6 mm long awn.
FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 4–6 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus glabrous; base truncate; with central peg; inserted.
GLUMES Glumes dissimilar; exceeding apex of florets; firmer than fertile lemma. Lower glume ovate; 1 length of spikelet; indurate; 2-keeled; keeled laterally; winged on keel; winged above. Lower glume surface rugose (2 ridges pointing down); glabrous, or puberulous. Lower glume apex awned; 1 -awned. Lower glume awn 5–8 mm long. Upper glume elliptic; membranous; 1-keeled; winged on keel.
FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret oblong; hyaline. Fertile lemma elliptic; hyaline; without keel.
DISTRIBUTION Asia-tropical: India.
NOTES Andropogoneae. Jain.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.