Chrysophyllum is a genus of tropical trees in the family Sapotaceae (order Ericales), first described by Carl Linnaeus in 1753. The genus is native to the tropical Americas, ranging from Mexico south to northern Argentina and throughout the Caribbean, with one species, C. oliviforme, extending north into southern Florida.
Members of the genus are typically fast-growing trees reaching 10–20 m or more in height. The leaves are oval, 3–15 cm long, conspicuously green on the upper surface and densely covered in golden-coloured hairs (pubescence) on the underside — a feature reflected in the genus name, from the Greek chrysos (gold) and phyllon (leaf). The flowers are small (3–8 mm), purplish-white, sweetly fragrant, and borne in clusters; they are hermaphroditic and self-fertile. The fruits are edible, round, typically purple-skinned (occasionally greenish-white), with a distinctive star-shaped pattern in the cross-section of the pulp and hard, flattened, light-brown seeds.
The circumscription of Chrysophyllum has shifted substantially over time. In 1990–1991, T.D. Pennington defined the genus broadly, giving it a pantropical distribution that encompassed species from Africa, Madagascar, and Asia as well as the Americas. Subsequent morphological and molecular phylogenetic studies demonstrated that this broad concept was polyphyletic. In 2017, De Faria et al. proposed returning Chrysophyllum to a narrower, Neotropical circumscription, with former members redistributed to reinstated or newly proposed genera including Achrouteria, Cornuella, Martiusella, Nemaluma, Prieurella, and Ragala. As of April 2025, Plants of the World Online accepts 37 species within the genus.
Etymology
The name Chrysophyllum derives from the Greek chrysos (gold) and phyllon (leaf), referring to the dense golden pubescence on the undersides of the leaves that is characteristic of the genus.
Distribution
Chrysophyllum is native to the tropical Americas, with a range extending from Mexico south to northern Argentina and encompassing the Caribbean islands. One species, C. oliviforme, reaches as far north as southern Florida, making it the only member of the genus found in the continental United States.
Taxonomy Notes
Chrysophyllum was described by Linnaeus in 1753 and belongs to the family Sapotaceae, order Ericales. Its circumscription has been contentious: T.D. Pennington's broad 1990–1991 treatment incorporated pantropical species and was widely adopted, but phylogenetic analyses later showed the resulting group to be polyphyletic. De Faria et al. (2017) proposed a narrower, exclusively Neotropical concept for the genus, transferring numerous former members to Achrouteria, Cornuella, Martiusella, Nemaluma, Prieurella, and Ragala. Plants of the World Online currently recognises 37 accepted species.
