Lepanthes isosceles Luer & R.Escobar 1984 SUBGENUS Lepanthes SECTION Lepanthes SUBSECTION Lepanthes SERIES Lepanthes

TYPE Drawing

TYPE Photo by Rodrigo Escobar/TYPE Drawing by Carl Luer

Common Name The Three Equal Sepal Lepanthes

Flower Size .32" [8 mm]

Found in Magdalena department of Colombia in cloud forests at elevations around 2500 meters as a mini-miniature sized, cold growing epiphyte with slender, erect, ramicauls enveloped by 6 to 7, lepanthiform sheaths with microscopically ciliate, dilated ostia and carrying a single, apical, erect, coricaeous, narrowly ovate, acute, cuneate below into the petiolate base leaf that blooms in the spring on a filiform, flaccid, arcuate to pendent, lax, 6.8" [17 cm] long including the .8" [2 cm] long peduncle, successively flowered inflorescence arising on top of the leaf

Similar to L rigidigitata but it has a lax, flexuous, 5.6" [14 cm] long, racemose inflorescence and L micellilabia but it has a short, congested racemose inflorescence. The others in this similar group of flowers with very reduced petals and lip is L vestigitalis and L abortiva.

"Lepanthes isoceles resembles the Ecuadorian species, Lepanthes equus-frisiae, Lepanthes pelorostele , L scrotifera and L rigidigitata, the Colombian species L abortiva, L eros, L vargasii, L micellilabia and L niphas and the Costa Rican L posthon, L spadariae and L vestgialis.


References W3 Tropicos, Kew Monocot list , IPNI ; * Amer. Orchid Soc. Bull. 53: 372 Luer & Escobar 1984 Drawing/photo fide; Native Colombian Orchids Vol 5 COS 1994 photo fide; Icones Pleurothallidinarum Vol XXXII Luer 2012 drawing fide; Lankesteriana 17: 227 Moreno Vieira & Karremans 2017 drawing/photo fide; Orchids A Colombian Treasure Vol 3 Ortiz & Uribe 2019 drawing fide;