Poa perconcinna

HABIT Perennial; caespitose; clumped loosely. Butt sheaths thickened and forming a bulb. Culms erect; 5–10 cm long. Lateral branches lacking. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane; 0.8–1.2 mm long; acute. Leaf-blades 1–6 cm long; 0.5–1.5 mm wide. Leaf-blade apex abruptly acute.

INFLORESCENCE Inflorescence a panicle.

Panicle open; elliptic, or ovate; dense; 2–5 cm long. Panicle branches scabrous.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 6–10 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 4–5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus glabrous.

GLUMES Glumes persistent; similar; shorter than spikelet. Lower glume ovate; 0.9 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 0.9 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume apex acute.

FLORETS Fertile lemma ovate; elliptic in profile; 2.5–3 mm long; membranous; keeled; 5 -veined. Lemma surface pubescent; hairy on veins. Lemma apex acute. Palea keels scaberulous; adorned above. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Lodicules 2; membranous. Anthers 3.

FRUIT Caryopsis with adherent pericarp. Hilum punctiform.

DISTRIBUTION Europe: central, southwestern, and southeastern.

NOTES Poeae. Fl Eur 1995.

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