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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 erect; 400–800 cm long; woody. Culm-internodes terete. Culm-nodes swollen. Lateral branches dendroid. Branch complement many; with subequal branches. Culm-sheaths persistent; auriculate. Culm-sheath blade triangular. Leaf-sheath auricles falcate. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades oblong, or ovate.
INFLORESCENCE Synflorescence bractiferous; clustered at the nodes; in stellate clusters; with glumaceous subtending bracts; with axillary buds at base of spikelet; leafless between clusters.
Fertile spikelets sessile.
FERTILE SPIKELETS Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 8.3–12 mm long; breaking up at maturity; disarticulating below each fertile floret.
GLUMES Glumes several; persistent; shorter than spikelet. Lower glume lanceolate. Lower glume surface without pits; pilose. Lower glume apex acute; mucronate. Upper glume lanceolate. Upper glume surface pilose. Upper glume apex acute; mucronate.
FLORETS Fertile lemma lanceolate, or oblong; chartaceous; without keel; wingless. Lemma surface unwrinkled; without grooves. Lemma margins convolute; covering most of palea; ciliate. Lemma apex acute; mucronate. Palea involute. Palea keels contiguous above a sulcus. Palea surface pilose. Palea apex dentate.
FLOWER Lodicules 3. Anthers 6. Stigmas 3. Ovary glabrous.
FRUIT Caryopsis with fleshy pericarp; orbicular; isodiametric.
DISTRIBUTION Tropical Asia.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.