Vegetal material from papaya (Carica pa- paya L.) 'Maradol' variety and 'Tainung-1' hybrid were collected from two plantations and taken to the Plant Physiology laboratory to analyse their flower and seed morphology. Descriptions were made of the three types of flowers (female, hermaphrodite and staminate) and the seeds' external (shape, size, hilum, micropyle, funicle, raphe and testa) and internal char- acteristics (testa, endosperm and embryo). The main morphological conclusion was that the flowers and seeds from the two types evaluated showed similar characteristics; the descriptions given in this paper are thus general for them.