GrassBase - The Online World Grass Flora

Descriptions

W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson

© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.

Nastus schmutzii

HABIT Perennial. Rhizomes short; pachymorph. Culms scandent; 60 mm diam.; woody. Culm-internodes terete; with small lumen. Lateral branches dendroid. Ligule a ciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate; 2.5–4.5 cm long; 4–8 mm wide. Leaf-blade surface glabrous. Leaf-blade apex attenuate.

INFLORESCENCE Inflorescence a panicle.

Panicle open; 3.5–7 cm long. Primary panicle branches spreading. Panicle axis puberulous. Panicle branches puberulous.

Spikelets solitary.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong, or ovate; laterally compressed; 5.5–6.5 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes several; 4 empty glumes; shorter than spikelet. Lower glume ovate; 1.5 mm long; chartaceous. Lower glume apex acute; mucronate. Upper glume ovate; 3–3.5 mm long; chartaceous; without keels; 7 -veined. Upper glume apex acuminate.

FLORETS Fertile lemma ovate; 5.5–6.5 mm long; coriaceous; without keel; 7 -veined. Lemma surface glabrous. Lemma apex acuminate. Palea 1 length of lemma; coriaceous; 2-keeled.

FLOWER Lodicules 3; 1 mm long; ciliate. Anthers 6; 2.5 mm long. Stigmas 3.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION Asia-tropical: Malesia.

NOTES Bambuseae. Dransfield 2002.

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