Poa khokhrjakovii

HABIT Perennial; caespitose; clumped loosely. Rhizomes elongated. Butt sheaths persistent and investing base of culm; with compacted dead sheaths. Culms erect; 25–30(–37) cm long. Culm-internodes smooth. Ligule an eciliate membrane; 1.7–2.2 mm long. Leaf-blades conduplicate, or convolute; 1–2 mm wide.

INFLORESCENCE Inflorescence a panicle.

Panicle open; ovate; 4–7 cm long; with spikelets clustered towards branch tips. Primary panicle branches ascending. Panicle branches sinuous; scabrous.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 2–3(–4) fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 5.5–6.5(–7.5) mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes pubescent. Floret callus woolly.

GLUMES Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 1.5–1.6 mm long; 1 length of upper glume; membranous; 1-keeled. Lower glume apex acute. Upper glume lanceolate; 1.5–1.6 mm long; 0.33 length of adjacent fertile lemma; membranous; 1-keeled. Upper glume apex acute.

FLORETS Fertile lemma elliptic; (3.8–)4.3–5(–5.5) mm long; membranous; much thinner above; keeled; 5 -veined. Lemma midvein ciliate. Lemma margins ciliate. Lemma apex acute. Palea keels puberulous; adorned below. Palea surface puberulous; hairy on back. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Anthers 3; 2.4–2.7 mm long.

DISTRIBUTION Asia-temperate: Soviet far east.

NOTES Poeae. Probatova 2014.

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