Eragrostis barrelieri Daveau

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Synonyms: Eragrostis gangetica sensu Jacobsen, non (Roxb.) Steud.
Common names:
Frequency:
Status:
Description:
Loosely caespitose annual; culms up to 40(60) cm tall, erect or ascending, branched or unbranched, glabrous at the nodes, with or without glandular pits below the nodes, these often coalescent into a ring; leaf sheaths glabrous, eglandular; ligule a line of hairs; leaf laminas 3–13 cm × 2.5–3.5 mm, linear, flat or involute, glabrous, eglandular.Panicle 7–16 cm long, oblong to ovate-oblong, open, stiffly branched, the spikelets evenly distributed on pedicels 1–3 mm long, these with one or two crateriform glands, the primary branches not in whorls, terminating in a fertile spikelet, glabrous in the axils.Spikelets 5–7(15) × 1.5–1.8 mm, narrowly oblong to linear, laterally compressed, 9–12(25)-flowered, the lemmas disarticulating from below upwards, the rhachilla persistent; glumes unequal, keeled, lanceolate in profile, scaberulous on the keel, eglandular, acute at the apex, the inferior 0.8–1.5 mm long, reaching to between 1/2 and 3/4 the way along the adjacent lemma, the superior 1.3–2.1 mm long, reaching to about the middle of the adjacent lemma; lemmas 1.7–2.3 mm long, keeled, oblong-lanceolate in profile, chartaceous with distinct lateral nerves, diverging from the rhachilla at less than 45°, those in opposite rows scarcely imbricate, the rhachilla ± visible between them, green to leaden-grey or reddish, scaberulous on the keel, eglandular, obtuse at the apex; palea persistent, glabrous on the flanks, the keels slender, wingless, scaberulous; anthers 3, 0.2–0.3 mm long.Caryopsis 0.6–1 mm long, elliptic-oblong, very rarely shorter and broader.
Notes:
Derivation of specific name:
Habitat: A weed of low to medium altitudes, often on agricultural research stations and in irrigation schemes; also on river banks and in disturbed ground at roadsides
Altitude range: 45 - 1300 m
Flowering time:
Worldwide distribution: tropical Africa, the Mediterranean region and southwest Asia
Mozambique distribution: Z,M
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Literature:

Cope, T.A. (1999). Poaceae Flora Zambesiaca 10(2) Pages 138 - 139.

Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 103.

Poilecot, P. (2007). Eragrostis species of Zimbabwe Éditions Quae,Versailles, France Pages 188 - 189. (Includes a picture).

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 136.

Other sources of information about Eragrostis barrelieri:

Our websites:

Flora of Botswana: Eragrostis barrelieri
Flora of Zambia: Eragrostis barrelieri
Flora of Zimbabwe: Eragrostis barrelieri

External websites:

African Plants: A Photo Guide (Senckenberg): Eragrostis barrelieri
African Plant Database: Eragrostis barrelieri
BHL (Biodiversity Heritage Library): Eragrostis barrelieri
EOL (Encyclopedia of Life): Eragrostis barrelieri
ePIC (electronic Plant Information Center): Eragrostis barrelieri
Flora Zambesiaca web site: Eragrostis barrelieri
GBIF (Global Biodiversity Information Facility): Eragrostis barrelieri
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Eragrostis barrelieri
iNaturalist: Eragrostis barrelieri
IPNI (International Plant Names Index): Eragrostis barrelieri
JSTOR Plant Science: Eragrostis barrelieri
Kew Herbarium catalogue: Eragrostis barrelieri
Kew Monocotyledon checklist: Eragrostis barrelieri
Mansfeld World Database of Agricultural and Horticultural Crops: Eragrostis barrelieri
Plants of the World Online: Eragrostis barrelieri
Tropicos: Eragrostis barrelieri
Wikipedia: Eragrostis barrelieri


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave 2007-21

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2021). Flora of Mozambique: Species information: Eragrostis barrelieri.
https://www.mozambiqueflora.com/speciesdata/species.php?species_id=104670, retrieved 26 October 2021

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