G.299. Aristida L. - Bristle grasses

Description of the genus

Annuals or perennials. Spikelets 1-flowered, disarticulating above the glumes, in terminal, lax or contracted, panicles; glumes persistent, narrow, usually 1-nerved. Lemma narrow, with hard callus at base, with or without a beak or twisted column; articulation present or 0, usually visible as a transverse darker line on the body of the lemma, occurring at the apex of the lemma or at the apex of the column; awns 3 (1 central, 2 lateral) or rarely 1, glabrous.

Worldwide: c. 330 species in warm regions of the world

Botswana: 26 taxa.

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Links to taxa:     View: living plant images - herbarium specimen images - all images for this genus

SpeciesFZ divisionsContent
adscensionis L.N,SWDescription, Image
aequiglumis Hack.
barbicollis Trin. & Rupr.SE
bipartita (Nees) Trin. & Rupr.
canescens HenrardSE
congesta Roem. & Schult.N,SW,SEDescription, Image
diffusa Trin. subsp. burkei (Stapf) Melderis
effusa Henrard
hordeacea KunthN,SE
junciformis Trin. & Rupr. subsp. junciformis N
junciformis Trin. & Rupr. subsp. welwitschii (Rendle) Melderis
meridionalis HenrardN,SW,SE
mollissima Pilg. subsp. argentea (Schweick.) Melderis
mollissima Pilg. subsp. mollissima N
pilgeri HenrardN
rhiniochloa Hochst.NImage
scabrivalvis Hack. subsp. borumensis (Henrard) MelderisN
scabrivalvis Hack. subsp. contracta (De Winter) MelderisN
scabrivalvis Hack. subsp. scabrivalvis N
stipitata Hack. subsp. graciliflora (Pilg.) MelderisSE
stipitata Hack. subsp. robusta (Stent & J.M. Rattray) MelderisN,SW,SE
stipitata Hack. subsp. spicata (De Winter) MelderisN,SE
stipitata Hack. subsp. stipitata SW
stipoides Lam.N
vestita Thunb.
wildii Melderis[End?][DD]N

Other sources of information about Aristida:

Our websites:

Flora of Caprivi: Aristida
Flora of Malawi: Aristida
Flora of Mozambique: Aristida
Flora of Zambia: Aristida
Flora of Zimbabwe: Aristida

External websites:

ePIC (electronic Plant Information Center): Aristida
Flora Zambesiaca web site: Aristida
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Aristida
IPNI (International Plant Names Index): Aristida
Kew Herbarium catalogue: Aristida
Kew Monocotyledon checklist: Aristida

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-19

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2019). Flora of Botswana: Genus page: Aristida.
https://www.botswanaflora.com/speciesdata/genus.php?genus_id=150, retrieved 18 August 2019

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