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|Noun||1.||genus Masdevallia - large genus of tropical American mostly epiphytic orchids whose flowers have sepals fused at the base forming a tube; includes orchids sometimes placed in genera Dracula and Dryadella and Scaphosepalum|
liliopsid genus, monocot genus - genus of flowering plants having a single cotyledon (embryonic leaf) in the seed
family Orchidaceae, orchid family, Orchidaceae - enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers
masdevallia - any of numerous orchids of the genus Masdevallia; tufted evergreen often diminutive plants whose flowers in a remarkable range of colors usually resemble a tricorn with sepals fused at the base to form a tube