Baptistonia brieniana (Rchb.f.) V.P.Castro & Chiron, Richardiana 4: 117 (2004).

* Oncidium brienianum Rchb.f., Gard. Chron., n.s., 15: 40 (1881).
Oncidium brienianum var. rufida Rchb.f., Gard. Chron. new ser. 15: 40 (1881).
Oncidium verrucosissimum Cogn., Fl. Bras. 3(6): 341 (1905).
Baptistonia verrucosissima (Cogn.) V.P.Castro & Chiron, Richardiana 4: 119 (2004).


NOTE: This species has many color variations as we can see on the photos below.


This is the one Reichenbach described as Oncidium brienianum var. rufida.



Here is a concolor clone. The two plants are from Minas Gerais State.