Özet:

Martinella has traditionally included two species, Martinella iquitoensis and Martinella obovata, that are characterized by the presence of interpetiolar ridges surrounding the stems and minute prophylls of the axillary buds. A third species, Martinella insignis, is here described as new, illustrated and compared to other species in the genus. Martinella insignis is the first record of the genus in the Atlantic Forest of Brazil, and differs from other species of Martinella by the yellow corolla (vs. red to dark purple) and 5-lobed calices (vs. 2–4-lobed).

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