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Term Definition
Costa Término usualmente utilizado para describir el nervio medio de una hoja o de una hojuela.
Costa (adj. = costate) A rib, sometimes to describe the midrib of a leaf or leaflet or to describe a raised line, less conspicuous than a wing, that extends down an organ such as a hypanthium or a fruit. A costa is less obvious than a wing. Pubescence colors. Photo by S. A. Mori.