Pleurothallis scariosa (Lex.) Lindl. 1842 SUBGENUS Specklinia SECTION Acuminatae Luer 1986

Photo by Osezno sp. and his Flickr Orchid Photo Website

Inflorescence

Photo by Eric Hunt.

Drawing

Drawing by Carl Luer

LATE EARLY

Common Name The Scarious Pleurothallis [Refers to the scarious sheaths of the stem]

Flower Size .5" [1.2 cm]

Found in Michoacan, Mexico, Morelos, Guerrero and Oaxaca states of Mexico in montane rainforests and cloud forests at elevations of 1800 to 2300 meters as a miniature to small sized, cool to cold growing, caespitose epiphyte with slender, erect ramicauls enveloped basally by 2 to 3, tubular, scarious sheaths and carrying a single, apical, erect, coriaceous, arcuate, convex, elliptic to oblong-elliptic, obtuse-rounded, gradually narrowing below into the petiolate base leaf that blooms in the late spring and early summer on 1 to 2, subtended by a spathe from a node below the abscission layer, erect, 4" [10 cm] long, racemose, many flowered inflorescence witha tubular, oblique, shorter to as long as the ovary floral bract and carrying simultaneously opening flowers

"Similar to P dolichopus but differs in the narrowly acute, much shorter sepals that are not long-acuminate

Synonyms Anathallis scariosa (Lex.) Pridgeon & M.W.Chase 2001; *Dendrobium scariosum Lex. 1825; Humboltia scariosa (Lex.) Kuntze 1891; Specklinia scariosa (Lex.) Lindl. 1835; Stelis scariosa (Lex.) Karremans 2014

References W3 Tropicos, Kew Monocot list , IPNI ;

P.de La Llave & J.M.de Lexarza, Nov. Veg. Descr. 2(Orchid. Opusc.): 39 Lex. 1825;

Edwards's Bot. Reg. 21: t. 1797 Lindley 1835 as Specklinia scariosa;

* Edwards's Bot. Reg. 28(Misc.): 71 Lindley 1842

Revis. Gen. Pl. 2: 668 Kuntze 1891 as Humboltia scariosa;

Icones Orchidacearum I Plate 93 Hagsater & Salazar 1990 drawing fide;

Icones Pleurothallidinarum Vol XVIII Systematics of Pleurothallis subsection Antenniferae, Longiracemosae, Macrophyllae-Racemosae and Subgenera Pseudsostelis and Acuminata Luer 1999

Icones Pleurothallidinarum Vol XVIII Systematics of Pleurothallis subsection Antenniferae, Longiracemosae, Macrophyllae-Racemosae and Subgenera Pseudsostelis and Acuminata Luer 1999 drawing fide;

Lindleyana 16 4:250 Pridgeon & M.W.Chase 2001 as Anathallis scariosa;

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 scariosa;

Orchids of Mexico Hagsater, Soto, Salazar, Jimenez Lopez & Dressler 2005 as Anathallis scariosa;

Algunas Orquideas de Mexico Tomo 1 Suarez 2013 as Anathallis scariosa photo fide;

Lankesteriana 13: 330 Karremans 2014 as Stelis scariosa;

Orchid Genera and Species in Guatemala Archila, Szlachchetko, Chiron, Lipinska, Mystkowska and Bertolini 2018 as Anathallis scariosa

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