Puccinellia sereginii

HABIT Perennial; caespitose; clumped densely. Butt sheaths persistent and investing base of culm; with compacted dead sheaths. Culms erect; 25–50 cm long. Leaf-sheaths open for most of their length. Ligule an eciliate membrane; 1.8–3 mm long. Leaf-blades convolute; 0.5–2 mm wide; mid-green, or glaucous. Leaf-blade surface scaberulous; rough adaxially.

INFLORESCENCE Inflorescence a panicle.

Panicle open; ovate; effuse; 8–15 cm long. Panicle branches scaberulous.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 5–9 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 8–10 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes persistent; dissimilar; shorter than spikelet. Lower glume lanceolate, or ovate; 1.5–2 mm long; 0.9 length of upper glume; membranous. Upper glume lanceolate, or ovate; 1.8–2.3 mm long; 0.75 length of adjacent fertile lemma; membranous; without keels.

FLORETS Fertile lemma oblong, or obovate; 2.2–2.7 mm long; membranous; much thinner above; without keel; 5 -veined. Lemma surface pubescent; hairy below; hairy on veins. Lemma apex truncate. Palea 2 -veined. Palea keels scabrous; puberulous; adorned below; with 0.33–0.5 of their length adorned. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Anthers 3; 1.2–1.4 mm long.

DISTRIBUTION Asia-temperate: Caucasus.

NOTES Poeae. Tsvelev 2014.

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