Pleurothallis ariasii Luer & Hirtz 1997 SUBGENUS Acuminatia SECTION Acuminatae Luer 1986

Photo by Ecuagenera and their Ecuador Orchid Website

TYPE Drawing

TYPE Drawing by Carl Luer

Full shade Cool

Common Name or Meaning Arias' Pleurothallis [Peruvian Original Collector of Species Current]

Flower Size .4" [1 cm]

Found in Peru without collection data as a miniature sized, caespitose epiphyte with erect, slender ramicauls with 2 to 3, blackish, tubular sheaths below the middle and at the base and carrying a single, apical, elliptical, obtuse to rounded, cuneate below into the petiolate base leaf that blooms on an erect, arising through a spathe with an annulus below the apex of the ramicaul, 2.4 to 2.8" [6 to 7 cm], loose, secund, simultaneously opening several flowered, racmose inflorescence with an as long as the pedicel floral bract.

"This species and P jesupiorum Are closely allied but P ariasii is distinguished by the broader leaves and twice longer, narrowly oblong sepals that are spiculate-pubescent within. Instead of bright orange the sepals are yellow above the middle and purple below the middle, Except for color, the petals and lip are similar." Luer 1999

Synonyms Anathallis ariasii (Luer & Hirtz) Pridgeon & M.W.Chase 2001; Specklinia ariasii (Luer & Hirtz) Luer 2004; Stelis ariasii (Luer & Hirtz) Karremans 2014

References W3 Tropicos, Kew Monocot list , IPNI ;

* Lindleyana 12:42 Luer 1997 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 Vol 16 No 4:247 2001 as Anathallis ariasii;

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 ariasii;

Orchid Species of Peru Zelenko Bermudez 2009 photo fide as Anathallis ariasii;

LANKESTERIANA 13(3): 319332 Karremans 2014 as Stelis ariasii

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