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.

Echinopogon phleoides

HABIT Perennial. Rhizomes elongated. Culms erect, or geniculately ascending; 25–40 cm long; 2–4 -noded. Leaf-sheaths smooth, or scaberulous; glabrous on surface, or pubescent. Ligule an eciliate membrane; 3 mm long; truncate. Leaf-blades 4–18 cm long; 2–4 mm wide. Leaf-blade surface hispid; hairy abaxially. Leaf-blade apex obtuse; callose.

INFLORESCENCE Inflorescence a panicle. Peduncle retrorsely scabrous above.

Panicle spiciform; oblong; 1.5–3 cm long; 0.6–0.8 cm wide. Primary panicle branches accrescent to a central axis; with evident branchlets on axis. Panicle axis pubescent.

Spikelets spreading; solitary. Fertile spikelets pedicelled. Pedicels oblong; pubescent.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets oblong; laterally compressed; 3.5–4 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent.

GLUMES Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume lanceolate; 3.5–4 mm long; 1 length of upper glume; scarious; 1-keeled; 1 -veined. Lower glume primary vein spinulose. Lower glume lateral veins absent. Lower glume surface puberulous. Lower glume apex acute. Upper glume lanceolate; 3.5–4 mm long; 1.1–1.3 length of adjacent fertile lemma; scarious; 1-keeled; 1 -veined. Upper glume primary vein spinulose. Upper glume lateral veins absent. Upper glume surface puberulous. Upper glume apex acute.

FLORETS Fertile lemma elliptic; 3 mm long; cartilaginous; keeled; 5–7 -veined. Lemma apex entire, or dentate; 2 -fid; acute; mucronate. Principal lemma awn apical, or from a sinus; 0.2–1.5 mm long overall. Palea 1 length of lemma; 2 -veined. Palea keels eciliate, or ciliolate. Rhachilla extension 0.1 length of fertile floret; glabrous.

FLOWER Anthers 3; 0.8–1 mm long.

FRUIT Caryopsis with adherent pericarp. Hilum linear.

DISTRIBUTION Australasia: Australia.

NOTES Aveneae. CEH.

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