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.

Habrochloa

HABIT Annual. Culms erect, or geniculately ascending; 10–25 cm long. Ligule a fringe of hairs. Leaf-blades flaccid. Leaf-blade margins unthickened.

INFLORESCENCE Inflorescence a panicle.

Panicle open.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 3–5 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 2–2.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite. Floret callus pubescent.

GLUMES Glumes persistent; reaching apex of florets. Lower glume lanceolate; 0.75 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume surface without pits. Lower glume apex acuminate. Upper glume lanceolate; 2 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume apex acuminate.

FLORETS Fertile lemma oblong; membranous; keeled; wingless; 3 -veined. Lemma surface unwrinkled; without grooves. Lemma margins ciliate. Lemma apex dentate; 2 -fid; truncate; awned; 1 -awned. Principal lemma awn from a sinus; curved. Palea 1 length of lemma; 2 -veined. Palea keels scaberulous. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Lodicules 2; fleshy. Anthers 3.

FRUIT Caryopsis with adherent pericarp; linear; trigonous. Embryo 0.25 length of caryopsis. Hilum punctiform.

DISTRIBUTION Africa.

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