Masdevallia decumana

{{Short description|Species of orchid}}

{{Speciesbox

| image = Masdevallia decumana (8502529509).jpg

| genus = Masdevallia

| display_parents = 3

| parent = Masdevallia subsect. Caudatae

| species = decumana

| authority = Königer

}}

Masdevallia decumana, the good-looking masdevallia, is a species of orchid in the genus Masdevallia.{{Cite book |url=https://books.google.com/books?isbn=1889538604|title=The Best Orchids for Indoors - Issue 177 - Page 80 |isbn=1889538604 |language=en|last1=Fitch |first1=Charles Marden |year=2004 }}