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.

Ochlandra soderstromiana

HABIT Perennial; caespitose. Rhizomes short; pachymorph. Culms erect; 400–500 cm long; 20–35 mm diam.; woody. Culm-internodes terete; hollow; 41–51 cm long; smooth. Lateral branches dendroid. Culm-sheaths persistent; 15–19 cm long; chartaceous; ciliate on shoulders. Culm-sheath ligule 3 mm high. Culm-sheath blade linear, or lanceolate; 7–13.5 cm long. Leaves cauline. Leaf-sheaths smooth. Ligule an eciliate membrane. Collar with external ligule. Leaf-blade base truncate; with a brief petiole-like connection to sheath; petiole 0.3–0.6 cm long; petiole glabrous. Leaf-blades lanceolate; 12–28 cm long; 23–47 mm wide. Leaf-blade venation with 12 secondary veins. Leaf-blade margins scabrous. Leaf-blade apex acuminate.

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.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets. Spikelets lanceolate, or ovate; subterete; 20–48 mm long; 5–9 mm wide; falling entire.

GLUMES Glumes several; comprising 2 gemmiferous bracts; 3–4 empty glumes; similar; shorter than spikelet. Upper glume ovate; 9–28 mm long; 48 -veined. Upper glume surface glabrous. Upper glume apex acute; mucronate.

FLORETS Fertile lemma ovate; 20–30 mm long; 17 mm wide; chartaceous; without keel; 40–70 -veined. Lemma lateral veins with cross-veins. Lemma margins convolute; covering most of palea. Lemma apex acuminate. Palea tightly convolute around flower; 20–28 mm long; 33 -veined; without keels.

FLOWER Lodicules 3; membranous; veined; ciliate. Anthers 40–68; 13 mm long; yellow. Filaments free. Stigmas 7. Ovary with a steeple-like appendage (50mm); glabrous.

FRUIT Caryopsis with fleshy pericarp; ovoid; 100 mm long.

DISTRIBUTION Asia-tropical: India.

NOTES Bambuseae. Muktesh et al 2005.

ADDITIONAL CHARACTERS Palea with cross-veins.

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