Nematanthus crassifolius is a spreading/trailing species with distinctive flowers displayed on variably long dangling calyces. Other Nematanthus have a similar dangling flower habit. These include N. corticola, N. brasiliensis. and the hybrid N. ‘Stoplight’.
N. crassifolius is a variable species. One variant, N. crassifolius “Carangola”, has flowers of a deeper hue and distinctive purple calyces.
Additional photos can be seen in a slideshow by clicking one of the links below: