Pleurothallis amparoana Schltr. 1923 SUBGENUS Effusae Luer 2000

Photo by Daniel Jimenez.

Inflorescence

Photo by © Eric Hunt

Drawing

Drawing by Carl Luer

TYPE Sheet and Drawing by Ames

and

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

Flower Size .4" [1 cm]

Found in Panama and Heredia, Alajuela, San Jose and Puntarenas provinces of Costa Rica in lower montane rain forests at elevations of 1200 to 1800 meters as a miniature sized, cool growing, caespitose epiphyte with thin ramicauls enveloped basally by several tubular sheaths and carrying a single, apical, oblong-oblanceolate, conduplicate at the base leaves and blooms in the winter and spring on an apical, arising through a narrow spathe from an annulus at the leaf base, 1.2" to 4" [3 to 10 cm] long, racemose, laxly several [6 to 8] flowered inflorescence with thin, infundibular longer than the ovary floral bracts,

An easy diagnostic characteristic of this species is the narrow leaves longer than the ramicaul and surpassed by a loose raceme of relatively large, white flowers and the shallowly, saccate, long, white pilose, deeply inflated synsepal, has a resemblance to a toilet seat, broadly elliptical petals and a lip with broadly rounded lateral lobes above the unguiculate base.

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;

Icones Pleurothallidinarum 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 Systematics of Jostia, Andinia, Barbosella, Barbrodia & Pleurothallis subgen Antilla, Effusia and Restrepioidia Luer 2000

Icones Pleurothallidinarum Vol XX Systematics of Jostia, Andinia, Barbosella, Barbrodia & Pleurothallis subgen Antilla, Effusia and Restrepioidia Luer 2000 drawing fide;

Lindleyana Vol 16 No 4:261 Pridgeon & M W Chase 2001 as Stelis amparoana;

Lindleyana 17: 100 Pridgeon & M W Chase 2002 as Stelis pilosa;

Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003;

Australian Orchid Review Vol 69 No 5 2004 photo;

Icones Pleurothallidinarum Vol XXVI Pleurothallis subgenus Acianthera and Three Allied subgenera, A Second Century of new Species of Stelis of Ecuador, Epibator, Ophidion and Zootrophion 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 A Third Century of Stelis of Ecuador Systematics of Apoda-Prorepentia 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

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