Indocalamus victorialis

HABIT Perennial; caespitose. Rhizomes elongated; leptomorph. Culms erect; 100–150 cm long; 5–8 mm diam.; woody. Culm-internodes terete; 20–28 cm long. Lateral branches suffrutescent. Branch complement one. Leaves cauline; 1–4 per branch. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.3–0.4 cm long. Leaf-blades lanceolate; 14–23 cm long; 25–40 mm wide. Leaf-blade surface glabrous. Leaf-blade apex attenuate.

INFLORESCENCE Inflorescence a panicle.

Panicle open; oblong; 15 cm long; contracted about primary branches. Primary panicle branches spreading; 1–3 -nate; 5–12 cm long; bearing spikelets almost to the base.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels 1.5 mm long.

FERTILE SPIKELETS Spikelets comprising 5 fertile florets; with diminished florets at the apex. Spikelets linear; subterete; 10 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 2 mm long; chartaceous; without keels. Lower glume apex acuminate. Upper glume lanceolate; 3 mm long; chartaceous; without keels. Upper glume apex acuminate.

FLORETS Fertile lemma lanceolate; 6 mm long; chartaceous; without keel; 7 -veined. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Lodicules 3. Anthers 3. Stigmas 2.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION Asia-temperate: China.

NOTES Arundinarieae. Keng 2002.

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