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

HABIT Annual. Culms erect, or geniculately ascending; 10–27 cm long. Ligule an eciliate membrane.

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

Racemes single; bilateral. Rhachis fragile at the nodes; subcylindrical and excavated. Spikelet packing adaxial. Rhachis internodes linear, or oblong.

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; 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; membranous; without keel; wingless; 3 -veined. Lemma lateral veins less than two thirds length of lemma. Lemma surface unwrinkled; without grooves; puberulous. Lemma apex acuminate.

FLOWER Anthers 3.

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

DISTRIBUTION Europe, or Africa, or Temperate Asia, or Australasia, or North America, or South America.

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