Acanthopale C.B.Clarke (2 images; © 2014 Jan Thomas Johansson)

Acanthopsis Harv. (2 images; © 2014 Jan Thomas Johansson)

Acanthus L. (17 images; © 2014 Jan Thomas Johansson)

Anisacanthus Nees (9 images; © 2014 Jan Thomas Johansson)

Aphelandra R.Br. (1 images; © 2014 Jan Thomas Johansson)

Asystasia Blume (8 images; © 2014 Jan Thomas Johansson)

Avicennia L. (15 images; © 2014 Jan Thomas Johansson)

Barleria L. (8 images; © 2014 Jan Thomas Johansson)

Blepharis Juss. (3 images; © 2014 Jan Thomas Johansson)

Brillantaisia P.Beauv. (9 images; © 2014 Jan Thomas Johansson)

Camarotea Scott Elliot (5 images; © 2014 Jan Thomas Johansson)

Dicliptera Juss. (12 images; © 2014 Jan Thomas Johansson)

Fittonia E.Coem. (5 images; © 2014 Jan Thomas Johansson)

Hemigraphis Nees (2 images; © 2014 Jan Thomas Johansson)

Hygrophila R.Br. (9 images; © 2014 Jan Thomas Johansson)

Hypoestes Sol. ex R.Br. (17 images; © 2014 Jan Thomas Johansson)

Justicia L. (66 images; © 2014 Jan Thomas Johansson)

Lagotis E.Mey. (1 images; © 2014 Jan Thomas Johansson)

Mackaya Harv. (15 images; © 2014 Jan Thomas Johansson)

Oplonia Raf. (6 images; © 2014 Jan Thomas Johansson)

Pachystachys Nees (5 images; © 2014 Jan Thomas Johansson)

Petalidium Nees (9 images; © 2014 Jan Thomas Johansson)

Pseuderanthemum Radlk. (9 images; © 2014 Jan Thomas Johansson)

Ruellia L. (21 images; © 2014 Jan Thomas Johansson)

Ruttya Harv. (1 images; © 2014 Jan Thomas Johansson)

Sanchezia Ruiz & Pav. (6 images; © 2014 Jan Thomas Johansson)

Schaueria Nees (4 images; © 2014 Jan Thomas Johansson)

Stenostephanus Nees (4 images; © 2014 Jan Thomas Johansson)

Strobilanthes Blume (5 images; © 2014 Jan Thomas Johansson)

Thunbergia Retz. (16 images; © 2014 Jan Thomas Johansson)

Whitfieldia Hook. (4 images; © 2014 Jan Thomas Johansson)

Gymnostachyum Nees (1 images; © 2014 Jan Thomas Johansson)

Peristrophe Nees (1 images; © 2014 Jan Thomas Johansson)