Catasetum naso Lindley (1843b

Krahl, Dayse Raiane Passos, Schmal, Philippe, Chiron, Guy, Silva, João Batista Fernandes Da, Krahl, Amauri Herbert & Cantuária, Patrick De Castro, 2023, Catasetum × grasineideae (Orchidaceae: Catasetinae), a new nothospecies from Brazilian Amazon and taxonomic notes for the genus, Phytotaxa 594 (2), pp. 89-104 : 99

5. Catasetum naso Lindley (1843b : Misc. 71).

Type:—Origin unknown, “received last year from Linden by Mr. Rucker (holotype: K) .

= Catasetum sanguineum Lindley & Paxton (1851: 168) , syn. nov.,

Type:—“Central America”. Ex Hort. T. Brocklehurst (lectotype designated by Romero & Jenny (1993): K).

Taxonomic Note: — Catasetum naso Lindley (1843b : Misc. 71) and C. sanguineum Lindley & Paxton (1851: 168) are two species described in the middle of 19 th century and, from that time, several morphological variations were observed which caused each of them to have at least three different variations described. However, all these variations present morphological features in common (see Hooker 1854, Dunsterville & Garay 1961). In a general way C. naso and C. sanguineum only differ by the lip dimensions (lip larger with an apex broader vs. lip smaller with an apex more tapered), by basal margins of the lip more lacerate and pedicel longer in C. sanguineum ( Lindley 1843b, Lindley & Paxton 1851). However, we think that these characters may vary in an acceptable way among individuals and among populations (i.e. intraspecific variation). In addition, both taxa have virtually the same geographical distribution ( Govaerts et al. 2022). Therefore, we consider them as conspecific and we propose the synonymization of C. sanguineum , retaining the older name C. naso .

Additional specimens examined ( C. naso ):— Origin unknown, no date, s. coll. s.n. (K000588878, photograph!); Origin unknown, no date, s. coll. s.n. (K001458456, photograph!); VENEZUELA: Est. Trujilo, 15 august 1947, J. Renz 4257 (RENZ, photograph!); idem, J. Renz 4272 (RENZ, photograph!); idem, 11 september 1947, J. Renz 4488 (RENZ, photograph!); idem, J. Renz 4489 (RENZ, photograph!); idem, 27 september 1952, J. Renz 7827 (RENZ, photograph!); idem, 10 september 1958, J. Renz 9169 (RENZ, photograph!).

Additional specimens examined ( C. sanguineum ):— USA (specimens in cultivation): Florida: Alachua Country, ex. Hort., living material obtained from Craing Morrell at U. of Florida. F1226, 03 october 1987, H.G. Hills 87089 (FLAS-181559, photograph!) ; idem, ex. hort. Living material obtained from Lester Poole , 22 october 1987, H. G. Hills 87088 (FLAS-181557, photograph!) ; idem, cultivated, without locality, flowered in cultivation at the Univ. of Florida, 01 december 1993, W.C. Whitehill & W.M. Whitten 91527 (FLAS-181738, photograph!) ; idem, cultivated, obtained from Craig Morrell, flowered in cultivation at the Univ. of Florida, 04 january 1994 (FLAS-181558, photograph!); Pennsylvania: Allegheny Country, Pittsburgh, Phipps Conservatory, Orchid Greenhouse , 10 january 1989, E. Lobdell 976 (CM-342563, photograph!) .