Cattleya porphyrascens, a new species (Laeliinae) of the genus Cattleya is described for Minas Gerais State, Brazil Author Menezes, Euler Da Luz Fernandes 0000-0002-1861-9552 Postgraduate Program Graduation in Forest Science, Federal University of Vales do Jequitinhonha e Mucuri (UFVJM), Highway MGT 367 - km 583, nº 5.000, Alto da Jacuba, Diamantina (MG), Brazil, 39.100 - 000. & eulermenezes @ hotmail. com; https: // orcid. org / 0000 - 0002 - 1861 - 9552 eulermenezes@hotmail.com text Phytotaxa 2023 2023-01-13 579 1 61 66 http://dx.doi.org/10.1094/PDIS-04-22-0755-PDN journal article 226690 10.11646/phytotaxa.579.1.7 8d97edbf-0513-4cb3-8a8a-5557c5f172dc 1179-3163 7532133
TABLE 1. Comparisons between Cattleya porphyrascens and similar species.
OrganC. porphyrascensC. haroldoiC. vandenbergii
PseudobulbObclavate, elongated, 4.5–5 cm long, 2 internodesPyriform, 2–3 cm long, 2 internodesObclavate elongated, 2.5–3 cm long, 2 internodes
LeafElliptic-lanceolate, retroflexed, 3–7 cm longElliptic-lanceolate, retroflexed, 3–4 cm longElliptic-lanceolate, aligned with pseudobulb, 5–6 cm long
Dorsal sepalElliptic, 1–2 cm longElliptic, 1.5–1.8 cm longElliptic, 1.5–2 cm long
Lateral sepalOblong-lanceolate, 1.5–2 cm longOblong-lanceolate, 1.3–1.5 cm longOblong-lanceolate, 1.5–1.8 cm long
Labellum (flattened)CircularOvalCircular
Disc lamella4, wide, white, purple at base4, narrow, orange4, narrow, the 2 innermost extending more apically, white, purple at the base
Column-Color and ProfilePurple-violet, truncated triangularMagenta, rectangularWhite, rectangular-falcate
Floral stem7–13 cm long, slender, extends far above the leaf5–8 cm long slender, extends far above the leaf5–7 cm long, robust, extends slightly above the leaf
Floral pedicelGreenWineGreen