Genus:
Phalaris L.

Phalaris maderensis (Menezes) Menezes

This species is accepted, and its native range is Madeira.

[GB]
Morphology General Habit
Annual; caespitose. Culms 10-50 cm long. Ligule an eciliate membrane. Leaf-blades 6-15 cm long; 3-7 mm wide.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle spiciform; linear, or oblong, or ovate; 2.5-5 cm long. Spikelets solitary. Fertile spikelets sessile.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets obovate; laterally compressed; compressed strongly; 4.5-4.8 mm long; breaking up at maturity; disarticulating below each fertile floret.
Fertile
Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets obovate; laterally compressed; compressed strongly; 4.5-4.8 mm long; breaking up at maturity; disarticulating below each fertile floret.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume elliptic; 4.5-4.8 mm long; 1 length of upper glume; chartaceous; 1-keeled; winged on keel; winged above; 3-5 -veined. Lower glume apex truncate. Upper glume elliptic; 4.5-4.8 mm long; 1.4 length of adjacent fertile lemma; chartaceous; 1-keeled; winged on keel; winged above; 3-5 -veined. Upper glume apex truncate.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets dissimilar; with vestigial lower floret; barren; without significant palea; attached to and deciduous with the fertile. Lemma of upper sterile floret linear; 1.3-1.4 mm long; ciliate on margins. Fertile lemma elliptic; laterally compressed; 3.2-3.4 mm long; cartilaginous; shiny; keeled; 5 -veined. Lemma surface pubescent; hairy all along. Lemma apex acute. Palea cartilaginous; 2 -veined; without keels. Palea surface pubescent; hairy on back.
Morphology Reproductive morphology Flowers
Lodicules 2; membranous. Anthers 3. Ovary glabrous.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; 1.8 mm long. Hilum linear.
Distribution
Africa: Macaronesia.
Reference
Aveneae. Anderson.

Native to:

Madeira

Phalaris maderensis (Menezes) Menezes appears in other Kew resources:

First published in Gramin. Arch. Madeira: 23 (1906)

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.

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.

  • 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 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