Poaceae

Lagurus L.

First published in Sp. Pl.: 81 (1753)
This genus is accepted
The native range of this genus is Macaronesia, Medit. to Arabian Peninsula.

Descriptions

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Morphology General Habit
Annual. Culms erect, or geniculately ascending; 5-60 cm long. Ligule an eciliate membrane. Leaf-blades linear, or lanceolate.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle capitate. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 8-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent.
Fertile
Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 8-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; exceeding apex of florets. Lower glume lanceolate; 1 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume surface villous. Lower glume apex setaceously attenuate. Upper glume lanceolate; 2 length of adjacent fertile lemma; membranous; without keels; 1 -veined. Upper glume surface villous. Upper glume apex setaceously attenuate.
Morphology Reproductive morphology Flowers Florets
Fertile lemma elliptic; scarious; without keel; 5 -veined. Lemma surface pubescent. Lemma apex dentate; 2 -fid; awned; 3 -awned. Principal lemma awn dorsal; geniculate. Lateral lemma awns shorter than principal. Palea 0.75 length of lemma.
Morphology Reproductive morphology Flowers
Anthers 3.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; fusiform. Embryo 0.15-0.2 length of caryopsis. Hilum punctiform.
Distribution
Europe, or Africa, or Temperate Asia, or Tropical Asia, or Australasia, or North America, or South America.
[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