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Notas
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This species is rather widespread and morphologically variable as currently circumscribed. It is characterized by its somewhat robust habit, often rather large leaves, well developed calyptrate stipules, inflorescencs with the peduncles rather short or reduced giving the branched portion a "tripartite" appearance or fasciculate arrangement, pedicellate flowers, corollas with rather well developed tubes, and subglobose to obovoid fruits that are usually stipitate. Psychotria trichotoma is easily confused with some other species with similar leaves, stipules, and inflorescence arrangement and in some cases also stipitate fruits, in particular Psychotria panamensis, Psychotria mexiae, and Psychotria sarapiquiensis. Psychotria trichotoma is also similar to Psychotria calyptrata and Psychotria ortiziana of the central Andes; Psychotria calyptrata however has pedunculate pyramidal inflorescences and fruits that do not develop stipules, while Psychotria ortiziana has deeply bilobed interpetiolar stipules and much longer corollas.
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