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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 elongated; pachymorph. Culms erect, or leaning; 1500–2000 cm long; woody. Culm-internodes terete. Lateral branches dendroid. Culm-sheaths auriculate. Culm-sheath blade triangular; as wide as sheath at base. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate, or oblong. Leaf-blade venation with distinct cross veins.
INFLORESCENCE Synflorescence bractiferous; paniculate; with glumaceous subtending bracts; with axillary buds at base of spikelet.
Fertile spikelets sessile.
FERTILE SPIKELETS Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets ovate; laterally compressed; 4.15–6 mm long; breaking up at maturity; disarticulating below each fertile floret.
GLUMES Glumes several; persistent; shorter than spikelet. Lower glume surface without pits. Upper glume ovate; chartaceous; without keels; 7 -veined. Upper glume apex acute; mucronate.
FLORETS Fertile lemma ovate; chartaceous; without keel; wingless. Lemma surface unwrinkled; without grooves. Lemma margins ciliate. Lemma apex acute. Palea tightly convolute around flower; chartaceous. Palea keels ciliate.
FLOWER Lodicules 3, or several; ciliate. Anthers 6. Stigmas 2; pubescent. Ovary with a steeple-like appendage; glabrous.
FRUIT Caryopsis with free brittle pericarp; orbicular.
DISTRIBUTION Temperate Asia, or Tropical Asia.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.