Pleurothallis segregatifolia Ames & C.Schweinf. 1925 SUBGENUS Specklinia SECTION Muscariae Luer 1986

Plant and Inflorescence

Photos by Daniel Jimenez

TYPE Drawing of P calyptrosepala

TYPE Drawing of P calyptrosepala by L O Williams


Drawing by Carl Luer

Full shade Cool Winter Spring Summer Fall

Common Name or Meaning The Segregate Leafed Pleurothallis [meaning obscure other than leaves apart]

Flower Size .15" [3mm]

Found in Mexico, Guatemala, El Salvador, Honduras, Nicaragua and Costa Rica o n tree trunks in very humid forests at elevations of 1200 to 1550 meters as a mini-miniature sized, cool growing, caespitose epiphyte with slender, erect ramicauls enveloped by 2 thin, tubular sheaths and carrying a single, apical, erect, coriaceous, narrowly to broadly elliptic-obovate, subacute to obtuse, narrowing below into the petiolate base leaf that blooms at most any time of the year on an erect, to 3.2" [8 cm] long, lax, distichous, flexible, flexuous, successively several flowered inflorescence arising laterally from the ramicaul with oblique, shorter than the pedicel floral bracts.

This species has a great variety of leaf shapes, from broadly elliptic to narrowly obovate. The usually deep purple to brown striped to bright red with yellow tips. are borne successively in a loose, weak, flaaccid raceme. The tip of the dorsal sepal is variously thickened into a concave, thimble-like tube or aa solid finger-like extension, Sometimes the apex is totally devoid of any such developmant. The lip is even more variable with calli anmd lateral lobes above or below the middle witha constriction below the apical segment." Luer 2006

Synonyms Andreettaea segregatifolia (Ames & C.Schweinf.) A.Doucette First published in Internet Orchid Sp. Photo Encycl. Nomencl. Notes 8(1): 7 (2022; Muscarella segregatifolia (Ames & C.Schweinf.) Karremans 2016; Pleurothallis calyptrosepala L.O.Williams 1942; Specklinia segregatifolia (Ames & C.Schweinf.) Solano & Soto Arenas 2002 publ. 2003; Verapazia segregatifolia (Ames & C.Schweinf.) Chiron & Szlach. 2018

References W3 Tropicos, Kew Monocot list , IPNI ;

* Schedul. Orch. 8: 33-34 Ames & C. Schweinf. 1925;

Amer. Orchid Soc. Bull. 11(2): 65, t. 2, f. 1-7. L.O. Williams 1942 as P calyptrosepala drawing;

Orchids of Guatemala and Belize Ames & Correll 1952;

Las Orquedias De El Salvador Vol 2 Hamer 1974 drawing fide/photo ok;

Las Orquideas de El Salvador Vol 3 Hamer 1981 drawing ok;

Icones Planetarum Tropicarum Plate 1125 Hamer 1984 drawing good except fractiflex, bracted inflorescence;

Icones Orchidacearum Vol 1 Plate 94 Hagsater 1990 drawing fide;

Icones Orchidacearum Vol 5-6:xi Hagsater 2002-3 as Specklinia segregatifolia;

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

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 segregatifolia;

Icones Pleurothallidinarum Vol XXVIII A Reconsideration of Madevallia Systematics of Specklinia Luer 2006 as Specklinia segregatifolia;

Icones Pleurothallidinarum Vol XXVIII A Reconsideration of Madevallia Systematics of Specklinia Luer 2006 as Specklinia segregatifolia drawing fide;

Guia de Orquideas de Chiapas Carlos Rommel Beutelspacher Baigts 2013 as Specklinia segratifolia photo fide;

Phytotaxa 272: 31 Karremans 2016 as Muscarella segregatifolia;

Diversity of Pleurothallidinae in Guatemala: An Endangered Orchid Subtribe with High Economic and Horticultural Potentials Edgar Mo Mo, Cetzal, Basu and Vega 2017 as Specklinia segregatifolia photo fide;

Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018 as Specklinia segregatifolia;

Richardiana, N.S. 2: 167 Chiron & Szach. 2018 as Verapazia segregatifolia;

Pleurothallids Neotropical Jewels Vol 1 Karremans & Viera 2020 as Muscarella segregatifolia photo fide;

Internet Orchid Sp. Photo Encycl. Nomencl. Notes 8(1):7 Doucette 2022 as Andreettaea segratifolia