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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.
Blepharoneuron tricholepis
HABIT Perennial; caespitose. Culms 30–70 cm long. Culm-nodes glabrous. Leaves mostly basal. Leaf-sheaths without keel; glabrous on surface. Ligule a ciliolate membrane; 0.3–0.5 mm long. Leaf-blades filiform; involute; 8–15 cm long; 1–2 mm wide.
INFLORESCENCE Inflorescence a panicle.
Panicle open; elliptic; 7–15 cm long; 2–5 cm wide.
Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; flexuous.
FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; laterally compressed; 2.5–3.8 mm long; breaking up at maturity; disarticulating below each fertile floret.
GLUMES Glumes persistent; similar; shorter than spikelet. Lower glume elliptic; 1 length of upper glume; membranous; without keels; 5 -veined. Lower glume apex obtuse, or acute. Upper glume elliptic; 0.9 length of adjacent fertile lemma; membranous; without keels; 3 -veined. Upper glume apex obtuse, or acute.
FLORETS Fertile lemma ovate; 2.5–3.8 mm long; membranous; without keel; 3 -veined. Lemma midvein pubescent; hairy below. Lemma margins ciliate. Lemma apex emarginate, or obtuse; muticous, or mucronate. Palea 1 length of lemma; 2 -veined. Palea keels pubescent. Palea surface pubescent; hairy on back.
FRUIT Caryopsis with adherent pericarp; ellipsoid. Embryo projecting below grain.
DISTRIBUTION North America: northwest USA, southwest USA, south-central USA, and Mexico.
NOTES Eragrostideae. Gould.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.