Sasa senanensis

HABIT Perennial. Rhizomes elongated; leptomorph. Culms erect; 40–80 cm long; woody. Culm-internodes terete; hollow; distally mealy. Lateral branches sparse. Bud complement 1. Branch complement one; solitary; as thick as stem. Leaves 2–3 per branch. Leaf-sheaths glabrous on surface. Leaf-sheath oral hairs setose; spreading. Ligule an eciliate membrane; 2 mm long. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate; 14–19 cm long; 26–54 mm wide; mid-green and glaucous; discolorous with last colour beneath and variegated (white margins). Leaf-blade surface glabrous.

INFLORESCENCE Inflorescence a panicle.

Panicle open; ovate; 11–15 cm long.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 4–6 fertile florets; with diminished florets at the apex. Spikelets linear, or oblong; laterally compressed; 12–15 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes persistent; shorter than spikelet; thinner than fertile lemma. Lower glume lanceolate; scarious; without keels. Lower glume apex acute. Upper glume ovate; scarious; without keels. Upper glume apex acute.

FLORETS Fertile lemma ovate; 8–9 mm long; chartaceous; without keel. Lemma apex acute. Palea apex dentate; 2 -fid. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Lodicules 3; 2 mm long. Anthers 6. Stigmas 3.

FRUIT Caryopsis with adherent pericarp; apex unappendaged.

DISTRIBUTION Asia-temperate: Soviet far east and eastern Asia.

NOTES Arundinarieae. Nakai 1996.

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