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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; pendulous at the tip; woody. Culm-internodes terete; 15–25 cm long. Lateral branches dendroid. Branch complement several; in a clump; thinner than stem. Leaf-sheaths striately veined. Leaf-sheath oral hairs lacking. Ligule an eciliate membrane; 0.5 mm long. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate; 6–11 cm long; 7–12 mm wide. Leaf-blade midrib prominent beneath. Leaf-blade venation prominent; with 4–6 secondary veins. Leaf-blade margins cartilaginous; scabrous. Leaf-blade apex attenuate.
INFLORESCENCE Inflorescence a panicle.
Panicle contracted; linear; 8–10 cm long. Primary panicle branches appressed; bearing spikelets almost to the base. Panicle axis puberulous.
Spikelets solitary. Fertile spikelets pedicelled.
FERTILE SPIKELETS Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 6.5–7 mm long; breaking up at maturity; disarticulating below each fertile floret.
GLUMES Glumes persistent; shorter than spikelet; thinner than fertile lemma. Lower glume oblate; 0.75 mm long; membranous; without keels; 0 -veined. Lower glume lateral veins absent. Lower glume apex obtuse. Upper glume oblate; 1 mm long; 0.15 length of adjacent fertile lemma; membranous; without keels; 0 -veined. Upper glume primary vein absent. Upper glume lateral veins absent. Upper glume apex obtuse.
FLORETS Basal sterile florets barren; without significant palea; attached to and deciduous with the fertile. Lemma of lower sterile floret ovate; 4.5 mm long; 0.66 length of fertile lemma; chartaceous; scaberulous; rough above; ciliolate on margins; fringed above; acute. Lemma of upper sterile floret ovate; 5.5 mm long; chartaceous; scabrous; ciliolate on margins; fringed above; acute. Fertile lemma ovate; 6.5–7 mm long; coriaceous; without keel. Lemma apex acute. Palea 6 mm long; 4 -veined.
FLOWER Lodicules 3; membranous; ciliate. Anthers 3. Stigmas 2.
FRUIT Caryopsis with adherent pericarp; apex unappendaged.
DISTRIBUTION South America: western South America.
NOTES Bambuseae. Pilger 2001.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.