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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 takasagomontana
HABIT Perennial; caespitose; clumped densely. Culms slender; 40–50 cm long; 0.3–0.5 mm diam. Culm-internodes terete. Lateral branches lacking. Ligule an eciliate membrane; 1–1.5 mm long; acuminate. Leaf-blades 10–15 cm long; 1–1.5 mm wide.
INFLORESCENCE Inflorescence a panicle.
Panicle open; ovate; 10 cm long.
Spikelets solitary. Fertile spikelets pedicelled.
FERTILE SPIKELETS Spikelets comprising 1–4 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 3.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes smooth. Floret callus woolly.
GLUMES Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 1.5 mm long; 0.5 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 3 mm long; 0.9 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume apex acute.
FLORETS Fertile lemma ovate; 3.5 mm long; membranous; much thinner on margins; keeled; 5 -veined. Lemma surface glabrous. Lemma apex acute. Palea 3 mm long. Palea keels scabrous. Apical sterile florets resembling fertile though underdeveloped.
FLOWER Lodicules 2; membranous. Anthers 3; 1 mm long.
FRUIT Caryopsis with adherent pericarp; 1.5 mm long. Hilum punctiform.
DISTRIBUTION Asia-temperate: eastern Asia.
NOTES Poeae. Taiwan Gr 1997.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.