Oncidium longicornu

Oncidium longicornu is a species of orchid occurring from Brazil to northeastern Argentina, where it is recorded from the provinces of Misiones and Corrientes. It is an epiphytic plant, with yellow flowers appearing between October and November.^[1][2]

Oncidium longicornu
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Orchidaceae
Subfamily:	Epidendroideae
Genus:	Oncidium
Species:	O. longicornu
Binomial name
Oncidium longicornu Mutel
Synonyms
Oncidium unicornutum Knowles & Westc. Oncidium unicorne Lindl. Oncidium monoceras Hook. Oncidium rhinoceros Rchb.f. Oncidium gautieri Regel Oncidium macronyx Rchb.f. Oncidium longicornu var. gautieri (Regel) Cogn. Oncidium longicornu var. grossmannii Dammer Rhinocidium longicornu (Mutel) Baptista, Colet. Rhinocidium macronyx (Rchb.f.) Baptista, Colet.