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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 carazana
HABIT Perennial. Culms erect; 65–90 cm long; 0 -noded. Ligule a ciliolate membrane; 0.5–1 mm long. Leaf-blades conduplicate; 20–55 cm long; 2–5 mm wide; stiff. Leaf-blade surface puberulous; hairy adaxially. Leaf-blade apex acute.
INFLORESCENCE Inflorescence a panicle.
Panicle contracted; lanceolate; 20–22 cm long. Primary panicle branches distant. Panicle branches scabrous; glabrous.
Spikelets solitary. Fertile spikelets pedicelled. Pedicels scabrous.
FERTILE SPIKELETS Spikelets comprising 4–6 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 8–10 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes scaberulous.
GLUMES Glumes persistent; similar; with lower narrower than upper; shorter than spikelet. Lower glume lanceolate; 3.5–4.5 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; 4.5–5.8 mm long; 0.75 length of adjacent fertile lemma; chartaceous; without keels; 3 -veined. Upper glume apex acute.
FLORETS Fertile lemma lanceolate; 6–7 mm long; chartaceous; without keel; 5 -veined. Lemma surface scabrous; rough above. Lemma apex acute; awned; 1 -awned. Principal lemma awn 1–2 mm long overall. Palea 1 length of lemma; 2 -veined. Apical sterile florets resembling fertile though underdeveloped.
FLOWER Anthers 3.
FRUIT Caryopsis with adherent pericarp. Hilum linear.
DISTRIBUTION South America: western South America.
NOTES Poeae. Gr Peru 1997.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.