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.

Alexfloydia

HABIT Perennial. Stolons present. Culms decumbent; 18–24 cm long. Lateral branches sparse. Ligule a fringe of hairs. Leaf-blade midrib conspicuous.

INFLORESCENCE Inflorescence a panicle.

Panicle contracted.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; laterally compressed; 3–3.5 mm long; falling entire.

GLUMES Glumes reaching apex of florets; thinner than fertile lemma. Lower glume ovate; chartaceous; 5–7 -veined. Lower glume surface without pits. Lower glume apex acute. Upper glume elliptic; 2 length of adjacent fertile lemma; chartaceous; without keels; 9 -veined. Upper glume lateral veins ribbed. Upper glume surface glabrous, or pilose; with tubercle-based hairs. Upper glume apex acute.

FLORETS Basal sterile florets male; with palea. Lemma of lower sterile floret elliptic; chartaceous; 9 -veined; ribbed; acute. Fertile lemma oblong; dorsally compressed; cartilaginous; without keel; wingless; 5 -veined. Lemma lateral veins obscure. Lemma surface striate; unwrinkled; without grooves. Lemma apex acute. Palea gaping; cartilaginous.

FLOWER Lodicules 2. Anthers 3.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION Australasia.

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