Costus macranthus K. Schum.

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Costus macranthus

Photo: Penny English
Along road between Bolero and Thazima, Rumphi District.

Costus macranthus

Photo: Penny English
Along road between Bolero and Thazima, Rumphi District.

Costus macranthus

Photo: Penny English
Along road between Bolero and Thazima, Rumphi District.

Costus macranthus

Photo: Penny English
Along road between Bolero and Thazima, Rumphi District.

Costus macranthus

Photo: Penny English
Along road between Bolero and Thazima, Rumphi District.

Costus macranthus

Photo: Penny English
Along road between Bolero and Thazima, Rumphi District.

Costus macranthus

Photo: Penny English
Along road between Bolero and Thazima, Rumphi District.

Costus macranthus

Photo: Penny English
Along road between Bolero and Thazima, Rumphi District.

Costus macranthus

Photo: Penny English
"shortcut " from Rumphi to Thazima, Rumphi District

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Species details: Click on each item to see an explanation of that item (Note: opens a new window)

Synonyms:
Common names:
Frequency:
Status: Native
Description:
Low perennial herb. Leaves 3-4, somewhat fleshy, flat against the ground in a basal rosette, broadly obovate to almost round, up to c. 7 - 22 cm long, sometimes longer and up to 22 cm wide, hairless above, pubescent below, particularly on the midrib; margin entire, often edged purple-pink. Inflorescence terminal, arising from the centre of the rosette. Flowers showy, yellow, opening one at the time; tube 7-9 cm long; petals narrowly elliptic, 6-8 cm long; labellum 8-11 cm long; anthers 9-13 cm long.
Notes: This species is very similar to Costus spectabilis and can only reliably be distinguished by measuring the flowers. these are more than 12 cm in total length in this species and less than 10 cm in C. spectabilis.
Derivation of specific name: macranthus: large-flowered
Habitat: In miombo woodland, open bushland or grassland, sometimes among rocks or in sandy soils.
Altitude range: (metres) Up to 1640 m
Flowering time:
Worldwide distribution: Tanzania, Malawi, Mozambique, Zambia and Zimbabwe.
Zimbabwe distribution: N,E
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Friday 18 December 2020
Literature:

Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 122.

Lock, J.M. & Diniz, M.A. (2010). Costaceae Flora Zambesiaca 13(4) Page 117.

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 112.

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 108.


Other sources of information about Costus macranthus:

Our websites:

Flora of Malawi: Costus macranthus
Flora of Mozambique: Costus macranthus
Flora of Zambia: Costus macranthus

External websites:

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


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-21

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2021). Flora of Zimbabwe: Species information: Costus macranthus.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=116200, retrieved 16 September 2021

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