Masdevallia maculata var. flava Hort. ex Stein, Orchid, - Buch 335. 1892. NeoType, Designated here: Hort. Petrop. ex Regel s.n. (LE, photo of LE at MO)
This form represents anthocyanin-free individuals of M. maculata Klotzsch & Karsten. Like many of the horticulturally important color morphs briefly mentioned by Stein, no herbarium material was preserved. The neotype is selected from contemporary horticultural material that bears a parallel unpublished Regel name ("variety lutea").