GrassBase - The Online World Grass Flora

Descriptions

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

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

Hakonechloa

HABIT Perennial. Rhizomes elongated. Stolons present. Culms erect; 40–70 cm long. Ligule a ciliolate membrane. Leaf-blades lanceolate.

INFLORESCENCE Inflorescence a panicle.

Panicle open.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform.

FERTILE SPIKELETS Spikelets comprising 5–10 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 10–20 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite. Floret callus elongated; pilose.

GLUMES Glumes persistent; shorter than spikelet. Lower glume lanceolate; 0.75 length of upper glume; membranous; 1-keeled; 1–3 -veined. Lower glume surface without pits. Lower glume apex acuminate. Upper glume lanceolate; 0.7 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume apex acuminate.

FLORETS Fertile lemma lanceolate; membranous; keeled; wingless; 3 -veined. Lemma surface unwrinkled; without grooves. Lemma margins ciliate. Lemma apex acute; awned; 1 -awned. Palea 0.8 length of lemma; 2 -veined. Palea keels ciliate. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Anthers 3.

FRUIT Caryopsis with free soft pericarp; oblong.

DISTRIBUTION Temperate Asia.

Please cite this publication as detailed in How to Cite Version: 27th January 2014.