Blumenbachia Schrad. (8 images; © 2014 Jan Thomas Johansson)

Cajophora (5 images; © 2014 Jan Thomas Johansson)

Eucnide Zucc. (1 images; © 2014 Jan Thomas Johansson)

Loasa Adans. (12 images; © 2014 Jan Thomas Johansson)

Mentzelia Plum. ex L. (15 images; © 2014 Jan Thomas Johansson)

Petalonyx A.Gray (14 images; © 2014 Jan Thomas Johansson)

Scyphanthus Sweet (9 images; © 2014 Jan Thomas Johansson)