Acidosasa brilletii

HABIT Perennial. Culms woody. Culm-internodes terete; hollow. Lateral branches dendroid. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate; 12–19 cm long; 12–18 mm wide. Leaf-blade venation with 8–10 secondary veins; with distinct cross veins. Leaf-blade apex attenuate.

INFLORESCENCE Inflorescence a panicle.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels 5–40 mm long.

FERTILE SPIKELETS Spikelets comprising 10–17 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 40–100 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 5–6 mm long; pubescent; hairy at tip.

GLUMES Glumes several; 3 empty glumes; persistent; similar; shorter than spikelet. Lower glume ovate; 5 mm long; chartaceous; without keels; 7–9 -veined. Lower glume margins ciliate. Lower glume apex acute; mucronate. Upper glume lanceolate, or ovate; 12 mm long; chartaceous; without keels; 11–13 -veined. Upper glume margins ciliolate. Upper glume apex acute; mucronate.

FLORETS Fertile lemma oblong, or ovate; 15–18 mm long; chartaceous; without keel; 15–19 -veined. Lemma lateral veins with cross-veins. Lemma apex obtuse; mucronate. Palea 11–14 mm long; 2 -veined. Palea keels scaberulous. Palea apex obtuse. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Lodicules 3; ciliate. Anthers 6; anther tip smooth. Stigmas 3.

FRUIT Caryopsis with adherent pericarp; apex unappendaged.

DISTRIBUTION Asia-tropical: Indo-China.

NOTES Arundinarieae. Camus 1996.

Please cite this publication as detailed in How to Cite Version: 3rd February 2016.