Name: Masdevallia calagrasalis Luer
Synonyms: Alaticaulia calagrasalis (Luer) Luer
Etymology: The genus name Masdevallia honors José Masdeval. The epithet calagrasalis refers to the Calagras River in Ecuador, near the species' type locality.
First described by: Carlyle A. Luer, 1985.
Origin/Distribution: Ecuador.
Location/Habitat: Epiphytic on moss-covered trees above approximately 1,500 m. The species prefers cool to intermediate temperatures of around 12–23°C, high humidity, filtered light, and good air circulation.
Description and notes: Masdevallia calagrasalis has firm, almost leathery leaves. The erect inflorescence reaches about 15 cm and bears two to three small, sequentially opening flowers at the tip. We keep a fine, airy medium consistently slightly moist and avoid both waterlogging and complete desiccation.