Caloncoba welwitschii (Oliv.) Gilg

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Photo: Bart Wursten
Aruwimi, DRCongo. © Botanic Garden Meise

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Synonyms:	Oncoba welwitschii Oliv.
Common names:
Frequency:
Status:	Native
Description:	Small to medium-sized tree. Leaves crowded towards the ends of branches, ovate, up to 25 x 18 cm, rounded or slightly cordate at the base, 5-veined from the base; petiole up to 15 cm long; stipules up to 2.5 cm long, falling early. Flowers in clusters of 2-5, borne on older branches below but with the leaves, showy, up to 10 cm in diameter, scented. Petals c. 10, up to 4 cm long, spathulate-oblong, white, strongly veined towards the base. Stamens very numerous, up to 2 cm long, golden-yellow. Fruit a densely spiny capsule up to 8 cm in diameter with spines 1.5-2 cm long, splitting into 5-6 valves; style persistent.
Notes:
Derivation of specific name:
Habitat:	In understorey of evergreen forest and forest patches.
Altitude range:
Flowering time:
Worldwide distribution:	Angola, Nigeria, Cameroon, Gabon, DRC, Tanzania, Malawi and Mozambique.
Malawi distribution:	N
Growth form(s):	Tree.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Content last updated:	Tuesday 27 September 2016
Literature:	Burrows, J.E., Burrows, S.M., Lötter, M.C. & Schmidt, E. (2018). Trees and Shrubs Mozambique Publishing Print Matters (Pty), Cape Town. Page 634. (Includes a picture). Dowsett-Lemaire, F. (1989). The flora and phytogeography of the evergreen forests of Malawi. I: Afromontane and mid-altitude forests; Bull. Jard. Bot. Nat. Belg. 59(1/2) Page 20. As Caloncoba welwitschii Timberlake, J.R., Bayliss, J., Dowsett-Lemaire, F., Congdon, C., Branch, B., Collins, S., Curran, M., Dowsett, R,J., Fishpool, L., Francisco, J., Harris, Kopp, M. & de Sousa, C. (2012). Mt Mabu, Mozambique: Biodiversity and Conservation Report produced under the Darwin Initiative Award 15/036. Royal Botanic Gardens, Kew, London Page 73. Wild, H. (1960). Flacourtiaceae Flora Zambesiaca 1(1) Page 270. As Caloncoba welwitschii

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Flora of the DRC: Caloncoba welwitschii
Flora of Mozambique: Caloncoba welwitschii

External websites:

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