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.

Hainardia cylindrica

HABIT Annual. Culms erect, or geniculately ascending; 10–27 cm long. Culm-nodes brown, or black. Ligule an eciliate membrane; 0.5 mm long. Leaf-blades involute; 6–10 cm long; 1.5–2 mm wide.

INFLORESCENCE Inflorescence composed of racemes; embraced at base by subtending leaf.

Racemes 1; single; smoothly terete; bilateral; 4–12 cm long. Rhachis fragile at the nodes; subcylindrical and excavated. Spikelet packing adaxial. Rhachis internodes linear, or oblong; 3–7 mm long.

Spikelets sunken; solitary. Fertile spikelets sessile.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; dorsally compressed; 5–7 mm long; falling entire; deciduous with accessory branch structures.

GLUMES Glumes one the lower absent or obscure; exceeding apex of florets; firmer than fertile lemma. Upper glume lanceolate; 5–7 mm long; 1–1.4 length of adjacent fertile lemma; coriaceous; without keels; 3 -veined. Upper glume lateral veins ribbed. Upper glume apex acuminate.

FLORETS Fertile lemma lanceolate; 5 mm long; membranous; without keel; 3 -veined. Lemma lateral veins less than two thirds length of lemma. Lemma surface puberulous; hairy above. Lemma apex acuminate.

FLOWER Anthers 3; 3 mm long.

FRUIT Caryopsis with adherent pericarp; ovoid. Embryo 0.2 length of caryopsis.

DISTRIBUTION Europe: southwestern, southeastern, and eastern. Africa: north, Macaronesia, and south. Asia-temperate: Caucasus and western Asia. Australasia: Australia and New Zealand. North America: southwest USA and Mexico. South America: southern South America.

NOTES Hainardieae. Fl Turk.

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