Trees. Leaves entire (in ours); petiole swollen at the base and at the apex.
Flowers unisexual, borne on fascicles on older wood. Calyx 4-5-lobed. Petals 0. Male flowers: anthers borne in 1(-2) rings on an androphore. Female flowers: carpels 4-5, coherent.
Fruit consisting of woody carpels which split longitudinally.
Flora of Malawi: Cola Flora of Mozambique: Cola Flora of Zambia: Cola Flora of Zimbabwe: Cola Flora of Zimbabwe: cultivated Cola
External websites:
African Plants: A Photo Guide (Senckenberg): Cola BHL (Biodiversity Heritage Library): Cola EOL (Encyclopedia of Life): Cola GBIF (Global Biodiversity Information Facility): Cola Google: Web - Images - Scholar iNaturalist: Cola IPNI (International Plant Names Index): Cola JSTOR Plant Science: Cola Mansfeld World Database of Agricultural and Horticultural Crops: Cola Plants of the World Online: Cola Tropicos: Cola Wikipedia: Cola