The four stamens start in the upper half of the petals and do not extend beyond this. The stamens are white, slender and cylindrical, with the upper pair of stamen 2 mm; only 1 mm long for the other pair. The anthers are about 1 mm long, circular-kidney-shaped and brown. The ovary is 2 mm high, egg-shaped and pale green. The pen is slim, white and bent at the top. The scar is light green and slightly bilobed, with different sized lobes.Timothy C. Plowman (Autor), Sandra Knapp, J. R. Press (Hrsg.): A Revision of the South American Species of Brunfelsia (Solanaceae). Field Museum of Natural History, Chicago August 1998, OCLC 39885128. (Fieldiana Botany, New Series, Nummer 39).
