Figure 27 from: Knapp S, Vorontsova MS (2016) A revision of the "African Non-Spiny" Clade of Solanum L. (Solanum sections Afrosolanum Bitter, Benderianum Bitter, Lemurisolanum Bitter, Lyciosolanum Bitter, Macronesiotes Bitter, and Quadrangulare Bitter: Solanaceae). PhytoKeys 66: 1-142. https://doi.org/10.3897/phytokeys.66.8457

Figure 27 - Morphology of Solanum terminale Forssk. across continental Africa. All coordinates are decimal degrees. A Bud length/width ratio plotted against longitude B Length of lowermost inflorescence branch against longitude. Red points represent plants with fused (connate anthers), green points plants with free anthers; black points represent plants with no open flowers whose bud and anther characters were not measured. For details of character choice see Materials and Methods and discussion of Solanum terminale.