Strophanthus courmontii Sacleux ex Franch.

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Strophanthus courmontii

Picture: Tess Arkwright
Vine Camp, Mana Pools National Park

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Common names:
Status: Native
Usually a true liana without tendrils, occasionally a scrambling shrub. Stems and branches often with triangular corky knobs; latex white. Leaves opposite, elliptic or ovate, up to 13.5 × 6.5 cm, dark green above much paler below with 3-8 pairs of lateral veins, hairless. Flowers normally appearing after the leaves, 1-3 per inflorescence. Corolla white and red, streaked with purple; lobes ovate, tapering to a point but without long linear tails. Fruit in 2 widely diverging follicles, sometimes at an angle of more than 180°, each 12-26 cm long, 3-4.5 cm wide, dark grey to purple-black, hairless, covered in lenticels.
Type location:
Notes: When not in flower this species is virtually indistinguishable from Strophanthus petersianus. In that species the lenticels are very dense on the branches while in S. courmontii they are normally sparse to somewhat dense. The reverse is true for the lenticels on the follicles.
Derivation of specific name:
Habitat: In riverine forest and thickets.
Altitude range: Up to 1600 m
Flowering time:Oct - Dec
Worldwide distribution: Kenya, Tanzania, Malawi, Mozambique, Zambia, Zimbabwe.
Zambian distribution (Flora Zambesiaca): C,E
Zambian distribution (Provinces): E,C,Lk
Growth form(s): Climber, liane.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Burrows, J.E., Burrows, S.M., Lötter, M.C. & Schmidt, E. (2018). Trees and Shrubs Mozambique Publishing Print Matters (Pty), Cape Town. Page 810. (Includes a picture).

Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 53. As Strophanthus courmonti

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 27.

Drummond, R.B. (1975). A list of trees, shrubs and woody climbers indigenous or naturalised in Rhodesia. Kirkia 10(1) Page 269.

Golding, J.S. (ed.) (2002). Zimbabwe Plant Red Data List. Southern African Plant Red Data Lists. SABONET 14 Page 162.

Leeuwenberg, A.J.M. & Kupicha, F.K. et al. (1985). Apocynaceae Flora Zambesiaca 7(2) Pages 470 - 471. (Includes a picture).

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 19.

Strugnell, A.M. (2006). A Checklist of the Spermatophytes of Mount Mulanje, Malawi Scripta Botanica Belgica 34 National Botanic Garden of Belgium Page 44.

Other sources of information about Strophanthus courmontii:

Our websites:

Flora of Malawi: Strophanthus courmontii
Flora of Mozambique: Strophanthus courmontii
Flora of Zimbabwe: Strophanthus courmontii
Flora of Zimbabwe: cultivated Strophanthus courmontii

External websites:

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

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: Strophanthus courmontii., retrieved 4 October 2023

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