Festuca fabrei

HABIT Perennial; caespitose. Basal innovations intravaginal. Culms erect; 15–30 cm long. Lateral branches lacking. Leaf-sheaths open for most of their length; with 0.33–0.5 of their length closed. Ligule an eciliate membrane. Leaf-blades filiform; conduplicate; elliptic in section, or circular in section; 5–10 cm long; 0.7–1.1 mm wide; stiff; glaucous; pruinose. Leaf-blade venation comprising 7 vascular bundles; with 1–3 inner ridges; with continuous uniform subepidermal sclerenchyma layer on the underside. Leaf-blade surface smooth. Leaf-blade apex acute; pungent.

INFLORESCENCE Inflorescence a panicle.

Panicle contracted; linear; 1.5–5 cm long.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 3–5(–7) fertile florets; with diminished florets at the apex. Spikelets elliptic, or oblong; laterally compressed; 6.5–8 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes persistent; dissimilar; shorter than spikelet. Lower glume lanceolate; chartaceous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate, or ovate; chartaceous; without keels; 3 -veined. Upper glume apex acute.

FLORETS Fertile lemma lanceolate; 4.3–5.1 mm long; chartaceous; without keel; 5 -veined. Lemma surface glabrous, or puberulous. Lemma apex acute; awned; 1 -awned. Principal lemma awn 1–2.4 mm long overall. Palea 2 -veined. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Lodicules 2. Anthers 3.

FRUIT Caryopsis with adherent pericarp. Hilum linear.

DISTRIBUTION Europe: southwestern.

NOTES Poeae. Portal 2001.

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