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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.
HABIT Perennial. Culms scandent; 3.5 mm diam.; woody; without nodal roots. Culm-internodes terete; solid; 20–30 cm long; smooth; distally glabrous. Lateral branches dendroid. Branch complement several, or many; in a clump. Leaf-sheaths without keel; striately veined; smooth; glabrous on surface to pubescent; outer margin glabrous, or hairy. Leaf-sheath oral hairs lacking. Ligule an eciliate membrane; 0.5–1 mm long; obtuse. Collar with external ligule. Leaf-blade base symmetrical; with a brief petiole-like connection to sheath; petiole 0.2 cm long; petiole pubescent. Leaf-blades deciduous at the ligule; lanceolate; 6–15 cm long; 10–23 mm wide. Leaf-blade venation with 8–10 secondary veins; with obscure cross veins. Leaf-blade surface glabrous, or pubescent. Leaf-blade margins scabrous.
INFLORESCENCE Inflorescence a panicle.
Panicle capitate; elliptic; equilateral, or secund; 2–4 cm long. Panicle axis glabrous to pubescent.
Spikelets solitary. Fertile spikelets pedicelled.
FERTILE SPIKELETS Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; compressed slightly; 7–8 mm long; breaking up at maturity; disarticulating below each fertile floret.
GLUMES Glumes persistent; similar; shorter than spikelet; thinner than fertile lemma. Lower glume lanceolate; 2.5–3.5 mm long; 1 length of upper glume; membranous; 1-keeled. Lower glume apex acute. Upper glume lanceolate; 2.5–3.5 mm long; 0.33 length of adjacent fertile lemma; without keels. Upper glume apex acute.
FLORETS Basal sterile florets similar; barren; without significant palea; attached to and deciduous with the fertile. Lemma of lower sterile floret ovate; 3.5–4.5 mm long; 0.5 length of fertile lemma; chartaceous; without keels; obtuse. Lemma of upper sterile floret ovate; 1.3 length of lower sterile floret; chartaceous; obtuse. Fertile lemma ovate; 7–8 mm long; coriaceous; without keel. Lemma lateral veins obscure. Lemma apex obtuse.
FLOWER Lodicules 3. Anthers 3. Stigmas 2.
FRUIT Caryopsis with adherent pericarp; apex unappendaged.
DISTRIBUTION South America: Brazil.
NOTES Bambuseae. Fl Cat 1995.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.