Ecology and habit of natural populations of Calyptrochilum aurantiacum. A Flowering individual growing on upper branches of a felled kola tree, along with the angraecoid orchid Diaphananthe plehniana and the fern Microgramma owariensis. B Dense population growing on 1 metre long branches of Duguetia staudtii. C Calyptrochilum aurantiacum and Diaphananthe plehniana growing side by side on Salacia sp. (Celastraceae). Photographs by V. Droissart (June 2017).

 
 
  Part of: Simo-Droissart M, Stévart T, Sonké B, Mayogo S, Kamdem N, Droissart V (2018) New taxonomic and conservation status of Ossiculum (Vandeae, Orchidaceae), a highly threatened and narrow-endemic angraecoid orchid from Central Africa. PhytoKeys 98: 85-97. https://doi.org/10.3897/phytokeys.98.23511