Aristida canescens Henrard

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Synonyms:
Common names:
Frequency:
Status: Native
Description:
Perennial, up to 1 m. high, densely caespitose. Culms erect, simple or branched, terete or slightly compressed, glabrous or slightly scaberulous below the nodes, c. 4-noded; nodes glabrous. Leaf-sheaths tight, glabrous or scaberulous, the lower slightly compressed. Ligule a ciliolate rim; auricles barbate or slightly pubescent; collar minutely pubescent. Leaf-laminae usually up to 20 cm., scarcely 1 mm. wide when expanded, coarse, involute or flat at the base, curling when old, scabrid or hirtellous above, glabrous or scaberulous beneath, with thickened scabrous margins. Panicle up to 20 cm. long, erect, lax or contracted but much interrupted, with an angular or triquetrous scabrous axis; branches remote, naked in the lower part, scabrid. Spikelets pallid or yellowish-green, sometimes tinged with purple, densely congested towards the ends of the branchlets. Glumes unequal, lanceolate, 1-nerved; the inferior 5ยท5-8 mm. long, scaberulous on the keel, subobtuse or emarginate or slightly 2-fid, with very obtuse lateral lobes, mucronate from the sinus; the superior 8-11 mm. long, smooth, truncate at the apex and shortly awned or 2-lobed, with a mucro from the sinus. Lemma 7-11 mm. long, slightly compressed, smooth or scaberulous on the keel; callus 1 mm. long, subobtuse, densely barbate; beak or column absent; awns scabrous, subequal, the central 9-15 mm. long, the lateral ones 7-13 mm. long; articulation absent. 2n = 55.
Notes:
Derivation of specific name: canescens: canescent
Habitat: On sandy, gravelly soils, in open grassland, woodland and sandveld
Altitude range: (metres)
Flowering time:
Worldwide distribution: South Africa, Botswana, Zambia, Zimbabwe
Zimbabwe distribution: N,W,C,E,S
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Literature:

Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 4. As Aristida canescens canescens

Launert, E. (1971). Poaceae Flora Zambesiaca 10(1) Page 101.

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 99.

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 131.


Other sources of information about Aristida canescens:

Our websites:

Flora of Botswana: Aristida canescens
Flora of Zambia: Aristida canescens

External websites:

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


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-20

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2020). Flora of Zimbabwe: Species information: Aristida canescens.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=104130, retrieved 27 November 2020

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