Disocactus cf ackermannii 1 National Tropical Botanical Gardens, Kalehua, Kauaii, Hawaii 130711 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Disocactus ackermannii 3 Lund Bot Garden 160509 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Disocactus ackermannii 4 Lund Bot Garden 160509 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Disocactus ackermannii 5 Lund Bot Garden 160509 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Disocactus cf ackermannii 2 National Tropical Botanical Gardens, Kalehua, Kauaii, Hawaii 130711 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Disocactus flagelliformis Botan, Stockholm 020419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).