Disa is a genus of flowering plants in the family Orchidaceae. It comprises about 182 species. Most of the species are indigenous to tropical and southern Africa, with a few more in the Arabian Peninsula, Madagascar, and Réunion. Disa bracteata is naturalised in Western Australia, where the local name is 'African weed-orchid.'The genus Disa was named by P.J. Bergius in 1767. It was named after Disa, the heroine of a Swedish legend.
The plants grow from a fleshy tuberous root which is a source of ...