Trisetella sororia Luer & Andreetta 1989 SECTION Trisetella SUBSECTION Calvicaulis Luer 1989
Photo by © Lourens Grobler
Photo by © Joseph Dougherty
TYPE Drawing by Carl Luer
Common Name The Sister-Like Trisetella [refers to the relationship with this orchid and others in the genus]
Flower Size .4" [1 cm]
Found in Morona-Santiago province of Ecuador in cloud forests as a mini-miniature, cold growing epiphyte at elevations around 2200 meters with erect ramicauls enveloped basally by 2 to 3 thin, tubular sheaths carrying a single, apical, erect, coriaceous, narrowly linear-terete, acute leaf that blooms in the fall on a slender, erect, arises from the base of the ramicaul, smooth, with a bract near the base, 2 to 2.4" [5 to 6 cm] long, successively single, to at least 7 flowered, racemose inflorescence with shorter than the pedicel floral bracts.
"Differs from Trisetella triglochin in the at least 7 flowered inflorescence, instead of 2 to 3, the verrucose ovary instead of smooth, the short, broad sepals with short, clavate tails."
Synonyms
References W3 Tropicos, Kew Monocot list , IPNI ; Icones Pleurothallidinarum Vol VI Systematics of Pleurothallis subgen Ancipita, Scopula and Trisetella Luer 1989 drawing fide; Orchids Masdevallia with its segregates including Dracula Zelenko 2014 photo fide;
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