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Descriptions

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

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

Poa bussmannii

HABIT Perennial; caespitose; clumped densely. Culms geniculately ascending; 5–10 cm long. Leaves mostly basal. Ligule an eciliate membrane.

INFLORESCENCE Inflorescence a panicle.

Panicle contracted; linear; 0.8–1.2 cm long; 0.3–0.6 cm wide.

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; 3–3.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes scaberulous.

GLUMES Glumes persistent; similar; shorter than spikelet. Lower glume ovate; 2 mm long; membranous; 1-keeled. Lower glume apex acute. Upper glume ovate; 2 mm long; membranous; 1-keeled. Upper glume apex acute.

FLORETS Fertile lemma ovate; 2.5 mm long; membranous; keeled; 5 -veined. Lemma surface pubescent; hairy below. Lemma apex acute. Palea keels scaberulous. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Anthers 3; 1 mm long.

DISTRIBUTION Asia-temperate: western Asia.

NOTES Poeae. Scholz 2011.

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