Nomenclatural notes in Masdevallia (Orchidaceae: Pleurothallidinae) from Colombia
DOI:
https://doi.org/10.15517/qh8bxz68Keywords:
floral color, herbarium specimens, lectotypification, species delimitation, Tolima, typificationAbstract
We reassess three taxonomic and nomenclatural problems in Colombian Masdevallia through the comparison of living plants, herbarium material, and literature. We recognize M. affinis as distinct from M. laevis based on its pale-yellow flowers, more open sepaline tube, strongly recurved lateral sepals, and lip morphology. We describe M. assurgens f. purpurea for plants with predominantly purple sepals, yellow tails and a yellow lip marked with dark purple. We also clarify the type citations for M. bicolor and its heterotypic synonyms, designate lectotypes for M. peruviana and M. herzogii, and supersede the previously designated neotype of the latter with original material.
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