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.

Schizostachyum hantu

HABIT Perennial; caespitose; clumped loosely. Rhizomes short; pachymorph. Culms leaning; pendulous at the tip; 1500–2000 cm long; 15–25 mm diam.; woody. Culm-internodes terete; with small lumen; 80–100 cm long; light green; distally glabrous, or pubescent. Culm-nodes swollen. Lateral branches dendroid. Culm-sheaths 10–22 cm long; pubescent; hairy above; with white hairs, or tawny hairs; truncate at apex; auriculate; with 2 mm high auricles; setose on shoulders; shoulders with 13–15 mm long hairs. Culm-sheath ligule 2 mm high; ciliate. Culm-sheath blade lanceolate; erect, or reflexed; 17–24 cm long; 7–13 mm wide; glabrous on surface; attenuate. Leaf-sheaths glabrous on surface; outer margin hairy. Leaf-sheath oral hairs setose; 10 mm long. Leaf-sheath auricles erect; 1 mm long. Ligule a ciliate membrane; 0.5–1 mm long. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.5–1.2 cm long. Leaf-blades lanceolate; 24–35 cm long; 32–59 mm wide. Leaf-blade surface glabrous. Leaf-blade apex attenuate.

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; leafless between clusters; 10 cm long overall.

Fertile spikelets sessile.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 24 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes several; persistent; shorter than spikelet.

FLORETS Fertile lemma lanceolate; 15–17 mm long; chartaceous; without keel; 15 -veined. Lemma surface pubescent; hairy above. Lemma margins convolute; covering most of palea. Lemma apex acute; awned; 1 -awned. Principal lemma awn 1.5 mm long overall. Palea tightly convolute around flower; 17 mm long; chartaceous; 20 -veined; 2-keeled. Palea surface glabrous, or puberulous; hairy above. Palea apex dentate; 2 -fid.

FLOWER Lodicules absent. Anthers 6. Stigmas 3. Ovary with a steeple-like appendage.

FRUIT Caryopsis with free brittle pericarp.

DISTRIBUTION Asia-tropical: Malesia.

NOTES Bambuseae. Dransfield 1996.

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