Verdc. (Schnell) 1975 - Verdcourt B (1975) Studies in the Rubiaceae: Rubioideae for the 'Flora of Tropical East Africa': I. Kew Bulletin 30(2): 247-326. doi: 10.2307/4103159.
Specifications
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Synonyms
Cephaelis peduncularis var. ivorensis (Schnell) Hepper