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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.
Festuca lanifera
HABIT Perennial; caespitose. Culms 18–25 cm long. Culm-internodes mid-green. Leaves mostly basal. Ligule an eciliate membrane. Leaf-blades filiform; conduplicate; 6–12 cm long; 0.5–0.6 mm wide. Leaf-blade surface scabrous; rough abaxially; pubescent; hairy adaxially. Leaf-blade apex acute.
INFLORESCENCE Inflorescence a panicle.
Panicle open; linear; 7–9 cm long. Primary panicle branches appressed; 0.5–3 cm long. Panicle branches pubescent.
Spikelets solitary. Fertile spikelets pedicelled.
FERTILE SPIKELETS Spikelets comprising 4 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 8.5–10.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
GLUMES Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 4.5–5 mm long; 0.75 length of upper glume; chartaceous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 6–7 mm long; 1 length of adjacent fertile lemma; chartaceous; without keels; 3 -veined. Upper glume apex acute.
FLORETS Fertile lemma lanceolate; 6–7.5 mm long; chartaceous; without keel; 5 -veined. Lemma surface scabrous; rough above. Lemma apex acute; mucronate. Palea 1 length of lemma; 2 -veined. Palea surface pubescent; hairy above. Apical sterile florets resembling fertile though underdeveloped.
FLOWER Anthers 3; 2 mm long. Ovary glabrous.
FRUIT Caryopsis with adherent pericarp. Hilum linear.
DISTRIBUTION South America: western South America.
NOTES Poeae. Gr Bolivia 1997.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.