Three New Species of Zanthoxylum (Rutaceae) from Ecuador

Three new species of Zanthoxylum L (Rutaceae) from Andean Ecuador are here described based upon their morphological characters: Z. complexum Reynel. Z. kallunkiae Reynel, and Z. pluvimontanum Reynel & D. Tarazona. They all belong to the most speciosc section of the genus, Macqueria Comm. cx Triana & Planch, and within it, they can be distinguished by several characters; each one belongs to a different species group of the mentioned section.