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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; leptomorph. Culms erect; 100–200 cm long; woody. Culm-internodes terete; hollow; distally pubescent; with reflexed hairs. Culm-nodes glabrous, or pubescent. Lateral branches dendroid. Bud complement 1. Branch complement one; solitary; as thick as stem. Culm-sheaths persistent; glabrous; without auricles. Leaf-sheaths glabrous on surface, or pilose. Leaf-sheath oral hairs setose. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades oblong; 20–25 cm long; 40–60 mm wide. Leaf-blade surface glabrous. Leaf-blade apex acuminate.
INFLORESCENCE Inflorescence a panicle.
Panicle open; oblong; 10 cm long.
Spikelets solitary. Fertile spikelets pedicelled.
FERTILE SPIKELETS Spikelets comprising 5–6 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 20–30 mm long; breaking up at maturity; disarticulating below each fertile floret.
GLUMES Glumes persistent; similar; shorter than spikelet; thinner than fertile lemma. Lower glume lanceolate; 1.5 mm long; scarious; without keels. Lower glume apex acuminate. Upper glume lanceolate; 3 mm long; scarious; without keels. Upper glume apex acuminate.
FLORETS Fertile lemma ovate; 6–7 mm long; chartaceous; without keel. Lemma apex acuminate. Apical sterile florets resembling fertile though underdeveloped.
FLOWER Lodicules 3. Anthers 6. Stigmas 3.
FRUIT Caryopsis with adherent pericarp; apex unappendaged.
DISTRIBUTION Asia-temperate: eastern Asia.
NOTES Arundinarieae. Ind. Jap. Bam. 2001.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.