Poa legionensis

HABIT Perennial; caespitose. Culms erect; 15–35 cm long. Culm-internodes terete; smooth. Ligule an eciliate membrane; 0.3–0.4 mm long; erose. Leaf-blades flat, or conduplicate; 6–12 cm long; 1–3 mm wide. Leaf-blade surface glabrous. Leaf-blade apex acute; hooded, or simple.

INFLORESCENCE Inflorescence a panicle.

Panicle open; oblong, or pyramidal; 5–8 cm long. Primary panicle branches spreading; 1 -nate.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 2–3 fertile florets; with diminished florets at the apex. Spikelets oblong, or ovate; laterally compressed; 2.5–4.6 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus woolly.

GLUMES Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 1.9–2.8 mm long; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 2.2–3.2 mm long; membranous; 1-keeled; 3 -veined. Upper glume lateral veins obscure. Upper glume apex acute.

FLORETS Fertile lemma ovate; oblong in profile; 2.9–3.3 mm long; membranous; keeled; 5 -veined. Lemma midvein pubescent; hairy at base. Lemma apex truncate, or acute. Palea 2.6–3.1 mm long. Palea keels smooth, or scaberulous. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Lodicules 2; 0.3–0.4 mm long; membranous. Anthers 3; 1.5–2 mm long.

FRUIT Caryopsis with adherent pericarp; 1.5 mm long. Hilum punctiform.

DISTRIBUTION Europe: southwestern.

NOTES Poeae. Gram Extremadura 1999.

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