FIGURE 4 in Another remarkable new species of Dictyanthus (Apocynaceae, Asclepiadoideae, Asclepiadeae, Gonolobinae) with a long stylar head from Mexico

FIGURE 4. Dictyanthus unicornus (A) and morphologically similar species. B. Dictyanthus ceratopetalus. C. Dictyanthus eximius. D. Dictyanthus lautus. E. Dictyanthus macvaughianus. F. Dictyanthus nichongus. G. Dictyanthus pavonii. Credits: A) Fernando Pío-León, B) Oliver Komar, C), D) and G) Leonardo Alvarado-Cárdenas, E) David Juárez García, F) Raúl Sánchez.