Stanhopea pseudoradiosa Jenny & R.Gonzalez-Tamayo 1997 SUBGENUS Stanhopea SECTION Saccata

Lip Detail

Photo courtesy of Dick Hartley Foxdale Orchids

to Summer

Common Name The False Radiating Stanhopea

Flower Size 2 to 2.2" [5 to 5.5 cm]

Found in Guerrero, Colima and Oaxaca states of Mexico and Guatemala on the western slopes in oak, oak-pine and tropical subdeciduous forests at elevations of 750 to 1300 meters as a medium sized, cool to warm growing epiphyte with oval, strongly ribbed, furrowed with age pseudobubls carrying a single, coarse , leathery, lanceolate, plicate, acute, gradually narrowing below into the channeled, petiolate base leaf that blooms in the summer on a pendent, basal, to 8" [to 20 cm] long, loosely 2 to 5 flowered inflroescencen enveloped by spread, large, broadly triangular, acute floral bracts and carrying fragrant flowers

Differs from S radiosa by having a less deeply saccate hypochile with a very narrow opening, the horns are elongate triangular and not oblanceolate and last it has a free tooth-like callus on the base of the epichile.


References W3 Tropicos, Kew Monocot list , IPNI ; Rudolf Schlechter Die Orchideen Band 1C lieferung 37/38 pg 2309 - 2436 Brieger 1999; Caesiana Vol 22 Stanhopea Part 2 Jenny 2004 drawing/photo fide; AOS Bulletin Vol 81 #9 2012 photo fide; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018