Monographs Details: Psychotria costanensis subsp. costanensis var. pubibractea Steyerm.
Authority: Maguire, Bassett. 1972. The botany of the Guayana Highland--part IX. Mem. New York Bot. Gard. 23: 1-832.
Family:Rubiaceae
Description:Latin Diagnosis - A var costanensis bracteis sub inflorescentia extus breviter pubescentibus recedit; bracteis principalibus marginis capituli extus pubescentibus.