| cleistes | (n) terrestrial orchids of North and South America having slender fibrous roots; allied to genus Pogonia, Syn. genus Cleistes |
| rosebud orchid | (n) orchid of central and northern South America having 1- to 3-blossomed racemes of large showy rose-colored flowers; sometimes placed in genus Pogonia, Syn. Pogonia rosea, Cleistes rosea |
| spreading pogonia | (n) orchid of northeastern United States with magenta-pink flowers having funnel-shaped lip; sometimes placed in genus Pogonia, Syn. Cleistes divaricata, Pogonia divaricata, funnel-crest rosebud orchid |