Aristida denudata Pilg.

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Common names:
Status: Native
Perennial, c. 50 cm. high, caespitose, with well-developed rhizomes, bearing fascicles of culms. Culms erect, slender, simple, glabrous, smooth, with a very long uppermost internode, 1-2-noded; nodes glabrous, smooth. Leaf-sheaths glabrous, smooth, usually shorter than the internodes. Ligule an obsolete minutely ciliolate rim; auricles of the innovations usually long-barbate, those of the culm-leaves dark-coloured, usually glabrescent; collar glabrous or minutely pubescent. Leaf-laminae 10 x 0·1-0·2 cm., flat, acuminate, scabrous or hirtellous above, glabrous, smooth beneath, those of the innovations short, convolute, setaceous, acute. Panicle 5-12 cm. long (excluding awns), lax, with glabrous, smooth rhachis and branches; branches 2-nate, terete, the lower being 4 cm. long, naked in the lower 1/2, few-flowered, the upper bearing 1-2 spikelets on long filiform, smooth pedicels. Glumes unequal, 1-nerved, glabrous, smooth, acuminate, smooth on the keels, the inferior 8-8·5 mm. long; the superior 10-11 mm. long. Lemma 6·5-7·5 mm. long, glabrous, smooth in the lower part, with rows of minute scabridules towards the apex, having sometimes 1-2 additional awn-like or setiform appendages; callus 0·5 mm. long, obtuse or nearly truncate, shortly barbate; beak or column absent; awns subequal, scaberulous, at first erect, soon divaricately deflexed, the central one 3-3·5 cm. long, more strongly deflexed than the lateral ones which are 2·5-3·0 cm. long; articulation absent.
Type location:
Zambia, Kalungwishi River
Derivation of specific name:
Habitat: In shallow depressions, and seasonally inundated swamps
Altitude range:
Flowering time:
Worldwide distribution: Malawi, Zambia, Zimbabwe. Not known from elsewhere
Zambian distribution (Flora Zambesiaca): B,N,C
Zambian distribution (Provinces): N,Mc,C,W
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

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 100 - 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 100.

Other sources of information about Aristida denudata:

Our websites:

Flora of Malawi: Aristida denudata
Flora of Zimbabwe: Aristida denudata

External websites:

African Plants: A Photo Guide (Senckenberg): Aristida denudata
African Plant Database: Aristida denudata
BHL (Biodiversity Heritage Library): Aristida denudata
EOL (Encyclopedia of Life): Aristida denudata
GBIF (Global Biodiversity Information Facility): Aristida denudata
Google: Web - Images - Scholar
iNaturalist: Aristida denudata
IPNI (International Plant Names Index): Aristida denudata
JSTOR Plant Science: Aristida denudata
Mansfeld World Database of Agricultural and Horticultural Crops: Aristida denudata
Plants of the World Online: Aristida denudata
Tropicos: Aristida denudata
Wikipedia: Aristida denudata

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-23

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2023). Flora of Zambia: Species information: Aristida denudata., retrieved 1 October 2023

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