Hyperthelia dissoluta (Steud.) Clayton

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Hyperthelia dissoluta

Photo: Bart Wursten
Cleveland Dam, near dam wall

Hyperthelia dissoluta

Photo: Bart Wursten
Cleveland Dam, near dam wall

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Synonyms: Andropogon ruprechtii Hack.
Anthistiria dissoluta Nees ex Steud.
Cymbopogon ruprechtii (Hack.) Rendle
Hyparrhenia dissoluta (Nees ex Steud.) C.E. Hubb.
Hyparrhenia ruprechtii (Hack.) E. Fourn.
Common names: Yellow thatching-grass (English)
Status: Native
Caespitose perennial; culms 100–300 cm high. Leaf laminas up to 30 cm × 6 mm. False panicle erect, rather stiff, composed of 4–6 fastigiate tiers; spatheole 5–7 cm long, narrowly lanceolate, glabrous or sometimes hirsute, yellowish-green eventually becoming reddish, the peduncle 1/2–2/3 as long; racemes 2–3 cm long, 2-awned per pair, not deflexed; superior raceme-base 2–3(5) mm long, the appendage 4–11 mm long, linear to narrowly lanceolate. Sessile spikelet 10–14 mm long (including the callus); callus 3–6 mm long; superior glume with or without a mucro up to 2 mm long; superior lemma with a yellowish awn 5–10 cm long. Pedicelled spikelet 9–14 mm long, with or without a terminal bristle up to 6 mm long.
Notes: Robust perennial tufted grass, 1-3 m tall. Inflorescence a long, false panicle. Spikelets large with long, stiff, yellow awns.
Derivation of specific name:
Habitat: Common in deciduous bushland and wooded grassland, in fixed dunes, along riverbanks and by roads and in disturbed places, including mining areas contaminated with nickel and molybdenum
Flowering time:Dec - Jun
Worldwide distribution: Throughout tropical Africa and introduced into tropical America
Botswana distribution: N,SE
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 33.

Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 21.

Cope, T.A. (2002). Poaceae Flora Zambesiaca 10(4) Pages 136 - 138. (Includes a picture).

Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 461. (Includes a picture).

Jackson, G. & Wiehe, P.O. (1958). An Annotated Check List of Nyasaland Grasses The Government Printer, Zomba, Nyasaland Page 44. As Hyparrhenia dissoluta

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 105.

Roodt, V. (2015). Grasses & Grazers of Botswana and the surrounding savanna Struik Nature, South Africa Pages 142 - 143. (Includes a picture).

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 139.

Siebert, S. & Mössmer, M. (Editors) (2002). SABONET Southern Mozambique Expedition 2001; Provisional Plant Checklist of the Maputo Elephant Reserve (MER) and Licuati Forest Reserve (LFR) SABONET News 7(1) Page 28.

Strugnell, A.M. (2006). A Checklist of the Spermatophytes of Mount Mulanje, Malawi Scripta Botanica Belgica 34 National Botanic Garden of Belgium Page 149.

Timberlake, J.R. & Childes, S.L. (2004). Biodiversity of the Four Corners Area: Technical Reviews Volume Two (Chapter 5-15) Appendix 5-1: Plant Checklist Occasional Publications in Biodiversity 15 Page 190.

Other sources of information about Hyperthelia dissoluta:

Our websites:

Flora of Caprivi: Hyperthelia dissoluta
Flora of Malawi: Hyperthelia dissoluta
Flora of Mozambique: Hyperthelia dissoluta
Flora of Zambia: Hyperthelia dissoluta
Flora of Zimbabwe: Hyperthelia dissoluta

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Botswana: Species information: Hyperthelia dissoluta.
https://www.botswanaflora.com/speciesdata/species.php?species_id=109040, retrieved 26 May 2024

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