Pleurothallis erinacea Rchb. f. 1855 SUBGENUS Kraenzlinella [Kuntze] Luer 1986
Photo by © Gary Yong Gee and his Orchid Photo Website
Original Drawing by © Padre Pedro Ortiz Conserved at the Herbario de la Universidad Javeriana, Bogota Colombia

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Common Name The Spined Pleurothallis [refers to the densly muricate ovary and seed capsule]
Flower Size 1/4 to 3/4" [7mm to 2 cm]
Found from Mexico, Belize, Guatemala, Costa Rica, Panama, Guyana, Surinam, Venzuela, Colombia, Ecuador, Peru and Bolivia in evergreen cloud forests and montane rain forests as a miniature to small sized, cool to warm growing epiphyte at elevations of 900 to 2000 meters with a short ramicaul bearing a single, tubular, acute, green sheath and a single apical, narrowly elliptic-lanceolate, blunt, thickly coriaceous, narrowing below into the conduplicate, petiolate base leaf that blooms in the winter and spring on an erect, about 14.8" [37 cm] long, loosely may flowered, racemose, fractifex inflorescence having 2 imbricating, close, long, acuminate bracts and lanceolate floral bracts with the flowers held way above the leaves.
Synonyms Humboldtia erinacea (Rchb. f.) Kuntze 1891; Humboltia erinacea (Rchb. f.) Kuntze 1891; Kraenzlinella erinacea (Rchb.f.) Solano 2002 publ. 2003; Kraenzlinella muricata (Schltr.) Rolfe 1915; Kraenzlinella rufescens Rolfe 1916; Kraenzlinella sororia (Schltr.) Rolfe 1915; Pleurothallis diuturna Schltr. 1922; Pleurothallis muricata Schltr. 1912; Pleurothallis muricata T. Hashim. 1987; Pleurothallis rufescens (Rolfe) Schltr. 1921; Pleurothallis sororia Schltr. 1912
References W3 Tropicos, Kew Monocot list , IPNI ; *Bonplandia Rchb.f 1855; Die Orchideen der Sudamerikanischen Kordillerenstaaten II Colombia Schlechter 1920 as P sororia; Repert. Sp. Nov. Regni. Veg. Beih. 17: 19. Panama Schlechter 1922 as P diuturna; The Orchids of Panama L.O. Williams & P Allen 1946 as P muricata; Orchids of Guatemala and Belize Ames & Correll 1952 as P muricata; Venezuelan Orchids Illustrated Vol 1 Dunsterville & Garay 1959 drawing good; Encyclopedia of Cultivated Orchids Hawkes 1965 as P muricata; AOS Bulletin Vol 36 #9 1967; AOS Bulletin Vol 38 No 6 1969; Flora de Venezuela Foldats Volumen XV Part 2 1970 drawing fide; Orchids of Venezuela, An Illustrated Field Guide Vol 3 Dunsterville & Garay 1979 drawing good; Icones Planetarum Tropicarum plate 1097 Dodson 1984 drawing fide; Icones Plerothallidinarum Systematics of Pleurothallis Vol 3 Luer 1986 drawing fide; Icones Planetarum Tropicarum Series II Orchids of Peru Plate 0156 Dodson & Bennett 1989 drawing fide; Orchids Travel By Air A Pictoral Safari Mulder, Mulder-Roelfsema and Schuiteman 1990 photo fide; Icones Orchidacearum I Plate 89 Hagsater & Salazar 1990 drawing fide; Icones Orchidacearum Peruviarum Plate 157 Bennett & Christenson 1993 drawing fide; Icones Pleurothallidinarum Vol XI Systematics of Lepanthes subgenus Brachycladium and Pleurothallis subgen Aenigma, subgen Elongata, Subgen Kraenzlinnella Luer 1994 drawing fide; Orchids of Venezuela [An illustrated field guide] Vol. 3 Ramiro and Carnevali 2000 drawing good; Orchids of Bolivia Vol 1 Pleurothallidinae Vasquez & Ibisch 2000 photo/drawing fide; Native Ecuadorian Orchids Vol 4 Dodson 2003 photo fide; Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003 darwing fide; Orquideas Nativas del Tachira Cesar Fernandez 2003 photo fide; Flora of the Venezuelan Guayana Vol 7 Steyermark, Berry, Yatskievych and Holst 2003; AOS Bulletin Vol 73 No 3 2004 photo fide; Icones Pleurothallidinarum Vol XXVI Luer 2004 as Kraenzlinella erinacea; Orchids of Mexico Hagsater, Soto, Salazar, Jimenez Lopez & Dressler 2005 as Kraenzlinella erinacea photo fide; Orchid Species of Peru Zelenko Bermudez 2009 photo fide; Orchid Digest Vol 74 #3 2010 as Kraenzlinia erinacea photo fide; Orquideas del Peru Freuler 2010 as Kraenzlinia erinacea photo good; Guia de Orquideas de Chiapas Carlos Rommel Beutelspacher Baigts 2013 as Kraenzlinella erinacea photo fide; Algunas Orquideas de Mexico Tomo 1 Suarez 2013 as Kranzlininella erinacea photo fide; Diversity of Pleurothallidinae in Guatemala: An Endangered Orchid Subtribe with High Economic and Horticultural Potentials Edgar Mo Mo, Cetzal, Basu and Vega 2017 as Kraenzlinella erinacea photo fide; Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018 as Kraenzlinella erinacea photo fide; Pleurothallids Neotropical Jewels Vol 1 Karremans & Viera 2020 as Acianthera erinacea photo fide
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