Verdc. (K.Schum. & K.Krause) 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
Images
Synonyms
Cephaelis peduncularis var. hypsophila (K.Schum. & K.Krause) Hepper