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.

Antinoria insularis

HABIT Annual. Culms erect, or decumbent; 5–30 cm long. Ligule an eciliate membrane; 1.5–3 mm long. Leaf-blades 2–12 cm long; 1–2.5 mm wide. Leaf-blade surface scabrous; rough adaxially. Leaf-blade margins scabrous. Leaf-blade apex acuminate.

INFLORESCENCE Inflorescence a panicle.

Panicle open; ovate; 2–10 cm long; 0.5–7 cm wide. Primary panicle branches 1.5–4 cm long.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; 1.5–3.8 mm long; glabrous; tip pyriform.

FERTILE SPIKELETS Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets elliptic; laterally compressed; 1.3–1.6 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite.

GLUMES Glumes persistent; similar; exceeding apex of florets; shiny. Lower glume ovate; 1.3–1.6 mm long; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scaberulous. Lower glume lateral veins absent. Lower glume apex obtuse. Upper glume ovate; 1.3–1.6 mm long; 1.6 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume primary vein scaberulous. Upper glume apex obtuse.

FLORETS Fertile lemma elliptic; 0.8–1 mm long; membranous; without keel; 3 -veined. Lemma apex dentate; 3 -fid. Palea linear; 1 length of lemma.

FLOWER Anthers 3; 0.5–0.7 mm long.

FRUIT Caryopsis with adherent pericarp; obovoid; dorsally compressed; plano-convex.

DISTRIBUTION Europe: southwestern and southeastern. Africa: north. Asia-temperate: western Asia.

NOTES Aveneae. Fl Turk.

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