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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 short; pachymorph. Culms leaning; 1500–2000 cm long; woody; with aerial roots from the nodes. Culm-internodes terete. Lateral branches dendroid. Branch complement two, or three; in a clump; with 1 branch dominant; thinner than stem. Culm-sheaths deciduous but leaving a persistent girdle; auriculate. Culm-sheath blade ovate; narrower than sheath. Leaf-sheath auricles falcate. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades deciduous at the ligule; lanceolate.
INFLORESCENCE Synflorescence bractiferous; clustered at the nodes; in globose clusters; with spathaceous subtending bracts; with axillary buds at base of spikelet; leafless between clusters.
FERTILE SPIKELETS Spikelets comprising 5–7 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 4–5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite; sparsely hairy.
GLUMES Glumes persistent; shorter than spikelet. Lower glume ovate. Lower glume surface without pits. Lower glume apex acute. Upper glume ovate. Upper glume apex acute.
FLORETS Fertile lemma ovate; without keel; wingless. Lemma surface unwrinkled; without grooves. Lemma apex acuminate.
FLOWER Lodicules absent. Anthers 6. Stigmas 3.
FRUIT Caryopsis with adherent pericarp.
DISTRIBUTION Tropical Asia.
Please cite this publication as detailed in How to Cite Version: 16th November 2012.