Schizostachyum lengguanii

HABIT Perennial; caespitose. Rhizomes short; pachymorph. Culms 400–600 cm long; 60–120 mm diam.; woody. Culm-internodes terete; hollow; 25–36 cm long; glaucous. Lateral branches dendroid. Branch complement many; with subequal branches. Culm-sheaths green; pubescent; with appressed hairs; with white hairs and tawny hairs; auriculate; setose on shoulders; shoulders with 6–10 mm long hairs. Culm-sheath ligule 0.5–1 mm high; entire. Culm-sheath blade lanceolate; erect, or spreading. Leaf-sheath oral hairs ciliate; deciduous; 1–2 mm long. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.2–0.3 cm long. Leaf-blades lanceolate; 8–16 cm long; 8–12 mm wide.

INFLORESCENCE Synflorescence bractiferous; clustered at the nodes; in untidy tufts; with glumaceous subtending bracts; with axillary buds at base of spikelet; prophyllate below lateral spikelets.

Fertile spikelets sessile.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 12–14 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes several; comprising 1 gemmiferous bracts; persistent; shorter than spikelet.

FLORETS Fertile lemma ovate; 8–9.5 mm long; chartaceous; without keel. Lemma margins convolute; covering most of palea. Lemma apex apiculate; pubescent. Palea tightly convolute around flower; 9.5–11.5 mm long; chartaceous. Apical sterile florets 1 in number; rudimentary.

FLOWER Lodicules 3. Anthers 6; 3.5 mm long; anther tip smooth. Ovary with a steeple-like appendage.

FRUIT Caryopsis with free brittle pericarp.

DISTRIBUTION Asia-tropical: Malesia.

NOTES Bambuseae. Wong 1996.

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