Phleum montanum

HABIT Perennial; caespitose. Rhizomes elongated. Culms erect; 12–85 cm long; 2–3 -noded. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane; 1.3–5 mm long; obtuse. Leaf-blades flat, or convolute; 2–21 cm long; 1–4 mm wide; glaucous. Leaf-blade surface scabrous. Leaf-blade margins scabrous.

INFLORESCENCE Inflorescence a panicle.

Panicle spiciform; linear; tapering above; 1.4–20 cm long; 0.6–1.2 cm wide. Primary panicle branches accrescent to a central axis; with evident branchlets on axis.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels oblong.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; laterally compressed; 3–3.5 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes persistent; similar; exceeding apex of florets. Lower glume elliptic; 3–3.5 mm long; 1 length of upper glume; membranous; 1-keeled; 3 -veined. Lower glume primary vein pectinately ciliate. Lower glume surface pubescent, or pilose. Lower glume apex acuminate; awned; 1 -awned. Lower glume awn 0.5–1.2 mm long. Upper glume elliptic; 3–3.5 mm long; 1.5–2 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume primary vein pectinately ciliate. Upper glume surface pubescent, or pilose. Upper glume apex acuminate; awned; 1 -awned. Upper glume awn 0.5–1.2 mm long.

FLORETS Fertile lemma ovate; 2 mm long; membranous; without keel; 5 -veined. Lemma apex obtuse. Palea 1 length of lemma.

FLOWER Lodicules 2; membranous. Anthers 3; 1–2 mm long. Ovary glabrous.

FRUIT Caryopsis with adherent pericarp. Hilum punctiform.

DISTRIBUTION Europe: southeastern. Asia-temperate: Caucasus and western Asia.

NOTES Aveneae. Fl Turk 1993.

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