Genus:
Avena L.

Avena murphyi Ladiz.

This species is accepted, and its native range is SW. Spain, Morocco.

[GB]
Morphology General Habit
Annual. Culms erect; 50-100 cm long. Lateral branches lacking. Ligule an eciliate membrane; acute. Leaf-blades 15-30 cm long; 5-8 mm wide.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; elliptic; 20 cm long. Spikelets pendulous; solitary. Fertile spikelets pedicelled. Pedicels filiform.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 2-4 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 30-40 mm long; breaking up at maturity; disarticulating above glumes but not between florets. Floret callus evident; bearded; obtuse; disarticulating transversely, or disarticulating obliquely; with circular scar, or elliptic scar.
Fertile
Spikelets comprising 2-4 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 30-40 mm long; breaking up at maturity; disarticulating above glumes but not between florets. Floret callus evident; bearded; obtuse; disarticulating transversely, or disarticulating obliquely; with circular scar, or elliptic scar.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma; gaping. Lower glume lanceolate; 30-40 mm long; 1 length of upper glume; membranous; without keels; 9-11 -veined. Lower glume apex acuminate. Upper glume elliptic; 30-40 mm long; 1.3 length of adjacent fertile lemma; membranous; without keels; 9-11 -veined. Upper glume apex acuminate.
Morphology Reproductive morphology Flowers Florets
Fertile lemma lanceolate; 20-30 mm long; coriaceous; much thinner above; without keel; 7 -veined. Lemma apex dentate; 2 -fid; awned; 1 -awned. Principal lemma awn dorsal; arising 0.25 way up back of lemma; geniculate; 40-60 mm long overall; with twisted column. Palea keels ciliolate. Palea surface scaberulous.
Morphology Reproductive morphology Flowers
Anthers 3. Ovary pubescent all over.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; sulcate on hilar side; hairy all over. Hilum linear.
Distribution
Europe: southwestern.
Reference
Aveneae. Baum 1993.

Native to:

Morocco, Spain

Avena murphyi Ladiz. appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Ladizinsky, G. [2], Spain K000808552 isotype Yes

First published in Israel J. Bot. 20: 24 (1971)

Accepted by

  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
  • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.

Literature

Kew Backbone Distributions

  • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
  • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.

  • GrassBase - The Online World Grass Flora

    http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • Kew Backbone Distributions

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0