Poaceae

Viguierella A.Camus

First published in Bull. Bi-mens. Soc. Linn. Lyon 5: 11 (1926)
This genus is accepted
The native range of this genus is Madagascar.

Descriptions

nonem

Morphology General Habit
Annual. Culms decumbent; 10-40 cm long. Ligule a fringe of hairs.
Morphology Reproductive morphology Inflorescences
Inflorescence composed of racemes. Racemes single; multilateral. Rhachis angular. Spikelets ascending; solitary. Fertile spikelets sessile.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 4-6 mm long; falling entire. Spikelet callus cuneate; pubescent; base pungent.
Fertile
Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 4-6 mm long; falling entire. Spikelet callus cuneate; pubescent; base pungent.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes shorter than spikelet; thinner than fertile lemma. Lower glume oblong; 1 length of upper glume; hyaline; 1-keeled; 2 -veined. Lower glume surface pubescent. Lower glume apex emarginate, or truncate; awned. Upper glume oblong; 0.25 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume surface pubescent. Upper glume apex emarginate, or truncate; awned; 1 -awned.
Morphology Reproductive morphology Flowers Florets
Fertile lemma elliptic; lanceolate in profile; coriaceous; keeled; 3-5 -veined. Lemma apex acute; awned; 1 -awned. Apical sterile florets 1-3 in number; barren; in a clump; linear. Apical sterile lemmas awned.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; oblong.
Distribution
Africa.
[GB]

Sources

  • GrassBase - The Online World Grass Flora

    • Clayton, W.D., Vorontsova, M.S., Harman, K.T. and Williamson, H. (2006 onwards). GrassBase - The Online World Grass Flora.
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0