GrassBase - The Online World Grass Flora


W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson

© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.

Poa magadanica

HABIT Perennial; caespitose; clumped loosely, or moderately. Culms erect; 18–25 cm long; with 0.33 of their length below uppermost node. Lateral branches lacking. Leaves mostly basal. Leaf-sheaths open for most of their length; with 0.15–0.2 of their length closed; smooth, or scaberulous. Ligule an eciliate membrane; 2–3 mm long. Leaf-blades 1–2 mm wide. Leaf-blade surface scaberulous.

INFLORESCENCE Inflorescence a panicle. Peduncle scaberulous above.

Panicle open, or contracted; lanceolate, or ovate; 2.5–4.5 cm long. Panicle branches scabrous.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 3–4 fertile florets; with diminished florets at the apex. Spikelets oblong, or ovate; laterally compressed; 5–5.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes smooth.

GLUMES Glumes persistent; similar; shorter than spikelet. Lower glume ovate; membranous; 1-keeled. Lower glume apex acute. Upper glume elliptic, or ovate; membranous; 1-keeled; 3 -veined. Upper glume apex acute.

FLORETS Fertile lemma ovate; oblong in profile; 3.5 mm long; membranous; much thinner on margins; mid-green and purple; tipped with last colour; keeled; 5 -veined. Lemma lateral veins obscure. Lemma apex obtuse. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Anthers 3; (1.5–)1.8(–2) mm long.

DISTRIBUTION Asia-temperate: Soviet far east.

NOTES Poeae. Kuvajev 2006.

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