| psychopsis | (n) epiphytic orchids of Central and South America formerly included in genus Oncidium, Syn. genus Psychopsis |
| psychopsis krameriana | (n) orchid of South and Central America having flowers similar to but smaller than Psychopsis papilio; sometimes placed in genus Oncidium, Syn. Oncidium papilio kramerianum |
| psychopsis papilio | (n) orchid of South America and Trinidad having large yellow and reddish-brown flowers; sometimes placed in genus Oncidium, Syn. Oncidium papilio |