Pleurothallis amparoana Schltr. 1923 SUBGENUS Specklinia SECTION Effusae Lindl. 1842

Photo by Daniel Jimenez.


Photo by Eric Hunt >


Common Name Dona Amparo's Pleurothallis [Costa Rican Orchid Enthusiast 1900's]

Flower Size 3/8" [1 cm]

Found in Panama and Costa Rica in lower montane rain forests at elevations of 1200 to 1800 meters as a miniature sized, cool growing, epiphytic species can be with thin ramicauls enveloped basally by several tubular sheaths and carrying a single, apical, oblong-oblanceolate, conduplicate at the base leaves and blooms with an apical, 1 1/4" to 4" [3 to 10 cm] long, racemose, laxly several [6 to 8] flowered inflorescence arising from a spathe at the leaf base, with triangular bracts, which is longer than the leaves and occurs in the winter and spring. An easy diagnostic characteristic of this species is the white flowers and the shallowly, saccate pilose synsepal, has a resemblance to a toilet seat.

Synonyms Effusiella amparoana Luer 2007; Specklinia amparoana (Schltr.) Luer 2004; Stelis amparoana (Schltr.) Pridgeon & M.W.Chase 2001; Stelis pilosa Pridgeon & M.W.Chase 2002

References W3 Tropicos, Kew Monocot list , IPNI ; *Repert. Sp. Nov. Regni. Veg. Beih. 19: 23. Costa Rica Schlechter 1923; Repert. Sp. Nov. Regni. Veg. Beih. 19: 104. Costa Rica Schlechter 1923; Repert. Sp. Nov. Regni. Veg. Beih. 19: 181. Costa Rica Schlechter 1923; AOS Bulletin Vol 33 No 3 1964 photo fide; Miniature Orchids Northen 1980 photo fide; Systematics of Pleurothallis Vol 3 Luer 1986; Icones Planetarum Tropicarum plate 1480 Atwood 1989 drawing fide; Orchids Travel By Air A Pictoral Safari Mulder, Mulder-Roelfsema and Schuiteman 1990 photo fide; Orchid Digest Vol 58 #4 1994 photo fide; AOS Bulletin Vol 64 No 12 1995 photo fide; Icones Pleurothallidinarum Vol XX Luer 2000 drawing fide; Lindleyana Vol 16 No 4 2001 as Stelis amparoana; Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003; Australian Orchid Review Vol 69 No 4 2004 photo; Icones Pleurothallidinarum Vol XXVI Luer 2004 as Specklinia amparoana; AOS Bulletin Vol 74 No 8 2005 photo fide; AOS Bulletin Vol 75 No 1 2006 photo fide; Icones Pleurothallidinarum Vol XXIX Luer 2007 as Effusiella amparoana; Orchids of Costa Rica Vol 5 Morales 2009 photo fide; Lankesteriana 19(1). 31 - 55 2019 as Stelis pilosa photo fide