Skip to main content

This species is accepted, and its native range is Morocco (Middle Atlas Mountains) to Algeria.

[GB]
Habit
Perennial; caespitose. Rhizomes short. Butt sheaths thickened and forming a bulb; pubescent; persistent and investing base of culm. Culms erect, or geniculately ascending; 30-80 cm long; 2 -noded. Culm-internodes smooth, or scaberulous. Culm-nodes brown. Leaf-sheaths tubular for much of their length; with 0.75 of their length closed; smooth, or scaberulous. Ligule a ciliolate membrane; 0.8-1.5 mm long; pubescent on abaxial surface; truncate. Leaf-blades 4-8 cm long; 1.5-4 mm wide. Leaf-blade midrib conspicuous. Leaf-blade surface smooth. Leaf-blade margins scabrous. Leaf-blade apex obtuse; hooded.
Inflorescences
Inflorescence a panicle. Panicle open; oblong, or ovate; 6-10 cm long. Primary panicle branches ascending; 2 -nate. Panicle axis smooth, or scaberulous. Panicle branches flexuous; scaberulous. Spikelets solitary. Fertile spikelets pedicelled.
Spikelets
Spikelets comprising 3-4 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; 12-16 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes pilose. Floret callus pilose; with linear scar.
Fertile
Spikelets comprising 3-4 fertile florets; with diminished florets at the apex. Spikelets cuneate; laterally compressed; 12-16 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes pilose. Floret callus pilose; with linear scar.
Glume
Glumes persistent; similar; reaching apex of florets; thinner than fertile lemma. Lower glume lanceolate; 12-15 mm long; 1 length of upper glume; membranous; 1-keeled; 3 -veined. Lower glume apex acute. Upper glume elliptic; 12-16 mm long; 1.2-1.3 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume apex acute.
Florets
Fertile lemma elliptic; 9-13 mm long; cartilaginous; much thinner above; without keel; 5-7 -veined. Lemma midvein ciliate; hairy below. Lemma surface pilose. Lemma hairs 4-5 mm long. Lemma apex dentate; 2 -fid; awned; 1 -awned. Principal lemma awn dorsal; arising 0.4-0.5 way up back of lemma; geniculate; 14-18 mm long overall; with twisted column. Column of lemma awn pubescent. Palea keels pubescent. Apical sterile florets rudimentary.
Flowers
Lodicules 2; 1-1.2 mm long. Anthers 3; 4.5-5 mm long; purple. Ovary pubescent on apex.
Fruits
Caryopsis with adherent pericarp; fusiform; sulcate on hilar side; 5 mm long; hairy at apex. Embryo 0.33 length of caryopsis. Hilum linear.
Distribution
Africa: north.
Reference
Aveneae. Fl Afr N 1994.

Native to:

Algeria, Morocco

Tricholemma jahandiezii (Litard. ex Jahand. & Maire) Röser appears in other Kew resources:

First published in Schlechtendalia 19: 34 (2009)

Accepted by

  • Rankou, H., Culham, A., Taleb, M.S., Ouhammou, A., Martin, G. & Jury, S.L. (2015). Conservation assessments and red listing of the endemic Moroccan flora (monocotyledons) Botanical Journal of the Linnean Society 177: 504-575.

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 2021. 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 2021. 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