Aristida pilgeri Henrard

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Synonyms:
Common names:
Frequency:
Status: Native
Description:
Perennial, up to 1.5 m. high, fairly robust, caespitose. Culms erect, glaucous, glabrous, 3-6-noded; nodes glabrous. Leaf-sheaths tight, ciliolate along the margins. Ligule obsolete, minutely ciliate; auricles and the collar glabrous or barbate. Leaf-laminae up to 35 x 0.1-0.2 cm., linear, convolute towards the apex, scabrous above, glabrous and prominently ribbed beneath. Panicle up to 40 x 5 cm., dense, more or less contracted, much branched, with a terete or subangular axis; branches 5-11 cm. long, solitary, erect or nearly appressed, branchlets appressed, scabrous. Spikelets congested, very shortly pedicelled, pallid. Glumes slightly unequal, lanceolate to linear-lanceolate, awned; the inferior 6-7 mm. long, 3-nerved, scaberulous in the upper part, scabrous on the nerves and on the keel, abruptly narrowed into a scabrous awn c. 1.5-2 mm. long; the superior c. 10 mm. long, with a smooth keel, distinctly 2-dentate at the apex with an awn, c. 2 mm. long, from the sinus. Lemma 6-7 mm. long, finely punctulate, scaberulous towards the apex; callus c. 1-1.5 mm. long, obtuse or subobtuse, long-barbate; column very short, c. 1.5 mm. long, slightly twisted; awns subequal, 10-20 mm. long; articulation between apex of the column of the lemma and the base of the awns.
Notes:
Derivation of specific name:
Habitat: On water-logged granite-sand, on Kalahari sand, red sandy loams in sandveld grassland and open woodland, grassy depressions at edges of lakes and on sand dunes
Altitude range: (metres)
Flowering time:
Worldwide distribution: south-western Africa, South Africa, Botswana, Caprivi Strip, Zambia, Zimbabwe
Zimbabwe distribution: N,W,C,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.

Launert, E. (1971). Poaceae Flora Zambesiaca 10(1) Pages 126 - 127.

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 100.

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 pilgeri:

Our websites:

Flora of Botswana: Aristida pilgeri
Flora of Caprivi: Aristida pilgeri
Flora of Zambia: Aristida pilgeri

External websites:

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


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 pilgeri.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=104270, retrieved 27 November 2020

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