Synonyms: Cephaelis peruviana (heterotypic); Declieuxia roraimensis; Geocardia violacea (homotypic); Naletonia violacea (homotypic); Nonatelia violacea (homotypic); Oribasia violacea (homotypic); Palicourea capitata; Palicourea stevensonii; Psychotria albonervia; Psychotria amplifolia; Psychotria arcuata; Psychotria caerulea (heterotypic); Psychotria capitata; Psychotria capitata amplifolia; Psychotria capitata capitata; Psychotria capitata f. tomentosa; Psychotria capitata f. trichophora; Psychotria capitata fissistipularis; Psychotria capitata inundata (heterotypic); Psychotria capitata rubra; Psychotria capitata var. roraimensis; Psychotria capitata var. septentrionalis; Psychotria chlorotica; Psychotria chlorotica var. bahiensis; Psychotria chlorotica var. lanceolata; Psychotria chlorotica var. obovata; Psychotria cubitalis; Psychotria heterocarpa; Psychotria inundata (heterotypic); Psychotria roraimensis; Psychotria setifera; Psychotria violacea (heterotypic); Uragoga arcuata; Uragoga capitata; Uragoga chlorotica; Uragoga setifera; Uragoga sieberi