|
Note - this takes you off
of our website |
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.
Chusquea floribunda
HABIT Perennial. Culms erect; 250–400 cm long; 12–17 mm diam.; woody. Culm-internodes terete; solid; 15–18 cm long; smooth. Culm-nodes with distinct supra-nodal ridge; glabrous. Lateral branches dendroid. Branch complement many; with 1 branch dominant. Ligule an eciliate membrane; 1.5–2.5 mm long; obtuse. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.1–0.3 cm long. Leaf-blades linear; 9–12 cm long; 4–7 mm wide. Leaf-blade midrib conspicuous. Leaf-blade surface glabrous. Leaf-blade margins cartilaginous.
INFLORESCENCE Inflorescence a panicle.
Panicle open; lanceolate; 15–35 cm long. Primary panicle branches ascending.
Spikelets solitary. Fertile spikelets pedicelled. Pedicels 1–3 mm long; pubescent.
FERTILE SPIKELETS Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 8–9 mm long; breaking up at maturity; disarticulating below each fertile floret.
GLUMES Glumes deciduous; shorter than spikelet; thinner than fertile lemma. Lower glume elliptic; 2 mm long; 0.5 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume surface pubescent; hairy above. Lower glume apex acuminate; mucronate. Upper glume elliptic; 3.5–4 mm long; 3 -veined. Upper glume surface pubescent; hairy above. Upper glume apex acuminate.
FLORETS Basal sterile florets barren; without significant palea; attached to and deciduous with the fertile. Lemma of lower sterile floret elliptic; 4–6 mm long; chartaceous; 3 -veined; pubescent; hairy above; mucronate. Lemma of upper sterile floret elliptic; 5–6 mm long; chartaceous; pubescent; mucronate. Fertile lemma elliptic; 7 mm long; coriaceous; without keel; 5–7 -veined. Lemma surface pubescent; hairy above. Lemma apex mucronate. Palea 8 mm long; 4 -veined. Palea surface pubescent; hairy above.
FLOWER Lodicules 3; 1.5 mm long; ciliate.
FRUIT Caryopsis with adherent pericarp; fusiform. Embryo 0.25 length of caryopsis. Hilum linear; 1 length of caryopsis.
DISTRIBUTION South America: southern South America.
NOTES Bambuseae. Guerreiro & Rugolo 2014.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.
