Orleanesia pleurostachys (Linden & Rchb.f.) Garay & Dunst. 1965 Photo courtesy of Patricia Harding © 2005

Part SunHot Cool Spring Summer

Common Name or Meaning The Rib-Like Inflorescence Orleansia

Flower Size 3/4" [2 cm]

Found in Colombia, Venezuela, Ecuador and Peru at elevations around 450 to 1200 meters as a small to medium sized, hot to cool growing epiphyte with narrowly fusiform, apically and basally narrowing pseudobulb enveloped basally by a few, tubular, scarious, red-striped and maroon spotted leafless becoming leaf bearing sheaths carrying several, fleshy, fairly stiff, elliptic, obtuse, shallowly notched, basally clasping leaves that get smaller towards the apex and blooms in the spring on a terminal, to 18" [50 cm] long, shortly few branched, few to several flowered inflorescence arising on a mature pseudobulb with successive opening flowers all held in the apical fourth of the inflorescence.

Synonyms Orleanesia pradei C.Schweinf. & Garay 1953; *Ponera pleurostachys Linden & Rchb.f. 1854; Pseudorleanesia pleurostachys (Linden & Rchb.f.) Rauschert 1983

References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchbn.f 1854 as Ponera pleurostachys; Venezuelan Orchids Vol 3 Dunsterville & Garay 1965 drawing fide; AOS Bulletin Vol 35 No 2 1966 as O pradei photo fide; Flora de Venezuela Foldats Volumen XV Part 3 1970 drawing fide; Fieldiana Biology, Vol 33, 1st Supple. to the Orchids of Peru Schweinfurth 1970; Rudolf Schlechter Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 8 449 - 512 Brieger, Maatsch and Senghas 1976 as Huebneria pleurostachya photo good; Orchids of Venezuela, A Field Guide Vol 2 Dunsterville and Garay 1979 drawing fide; Native Colombian Orchids Vol 3 1991 photo fide; Orchids of Venezuela [An illustrated field guide] Vol. 2 Ramiro and Carnevali 2000 drawing fide; Rudolf Schlechter Die Orchideen Band 1C lieferung 42 - 43 pg 2626 - 2762 Brieger 2001 photo fide; Native Ecuadorian Orchids Vol 4 Dodson 2003 drawing fide/photo maybe;