Note - this takes you off
of our website |
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.
Aristida humbertii
HABIT Perennial. Culms erect; 150–180 cm long. Ligule a fringe of hairs.
INFLORESCENCE Inflorescence a panicle.
Panicle open.
Spikelets solitary. Fertile spikelets pedicelled.
FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 6–6.75 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident.
GLUMES Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume lanceolate; 4.5–6.8 mm long; 0.75 length of upper glume; scarious; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute; mucronate. Upper glume lanceolate; 6–6.75 mm long; 1.1 length of adjacent fertile lemma; scarious; 1 -veined. Upper glume lateral veins absent. Upper glume apex dentate; 2 -fid.
FLORETS Fertile lemma elliptic; subterete; 5.75–6 mm long; coriaceous; without keel. Lemma margins convolute; covering most of palea. Lemma apex dentate; 2 -fid; awned; 1 -awned. Principal lemma awn from a sinus; 1–1.5 mm long overall.
DISTRIBUTION Africa: southern tropical.
NOTES Aristideae. Bourreil 2007.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.