Campomanesia xanthocarpa

Scientific name	Campomanesia xanthocarpa [1]
Genus	Campomanesia [1]
Family	Myrtaceae [1]
Order	Myrtales [1]
Common name	Gabiroba [2]
Growth form	Semi-deciduous tree, about 4–20 m [2]
Native range	Southern South America [2]
Habitat	Moist forest and semideciduous broadleaf forest [2]
Fruit and uses	Greeny-yellow edible fruit; juices, ices, liqueurs and sweets [2]
Propagation	Fresh seed; germination about 15–30 days [2]

Campomanesia xanthocarpa, commonly called gabiroba, is an accepted species of the myrtle family. It is a semi-deciduous South American tree associated with moist forest and produces edible fruit that is gathered and cultivated. ^[1][2]

Description

Gabiroba is described as a 4–20 m tree with a tall, dense, pyramid-shaped crown. It occurs in forests including moist sites at moderate elevations and broadleaf semideciduous forests in the Paraná basin. The broad size range should be allowed for when selecting a permanent planting position. ^[2]

Species-focused botanical work and a CABI compendium treatment retain the same species combination; Eugenia xanthocarpa is a recorded synonym. ^[6][7][2]

Cultivation

Its native setting includes moist forest and semideciduous woodland, while cultivation guidance places gabiroba in hot, dry tropical to subtropical conditions with some frost tolerance. Full sun and dappled shade are both reported. In a frost-prone garden, protect young trees while treating the qualitative frost tolerance as a placement cue rather than a temperature guarantee. ^[2]

Soil and water

Use a soil that holds moisture during establishment but drains after rain. The moist-forest habitat supports regular root-zone moisture rather than repeated drying of young trees; avoid keeping the planting saturated. A controlled seedling study found that water deficit at 0% shade reduced photosynthetic activity, relative water content, leaf area, leaf number and height. Both 30% and 70% shade mitigated those effects, and seedlings recovered after irrigation resumed. These measurements support careful establishment watering, not a fixed irrigation interval for mature trees. ^[2][3]

Sun and humidity

Choose full sun where the root zone can be kept evenly moist, or dappled shade where heat and evaporative demand are greater. For young plants in hot or drought-prone sites, filtered light is a defensible establishment strategy because shaded seedlings handled water deficit better than unshaded seedlings in the controlled experiment. Airflow and local humidity should be balanced with moisture retention; no fixed humidity percentage is needed for placement. ^[2][3]

Seasonal changes

The semi-deciduous habit gives the tree a seasonal leaf-loss rhythm. In a year-long population study, flower and fruit production was highest in late spring and early summer, although fruit and seed measurements varied widely among individuals. During the hot or dry part of the growing season, keep establishing plants from cycling repeatedly between drought and recovery. Reduce exposure of young trees to frost as cooler weather arrives, and use the individual tree's leaf and flowering response to refine local timing. ^[2][4]

Propagation

Sow fresh ripe seed promptly. The species account records germination in about 15–30 days, transplanting at 3–5 cm, and planting out after roughly 6–7 months. Keep the root system intact during each move and maintain steady moisture while seedlings re-establish. Fresh-seed timing is the strongest practical propagation cue for this species; do not assume that a stored-seed schedule or a vegetative method used for another myrtle applies here. ^[2]

Flowering, fruiting, and harvest

Monthly observations from January 2012 to January 2013 found the greatest flower and fruit production in late spring and early summer, with substantial variation among fruit and seed traits. Treat that period as a regional phenology reference rather than a universal calendar. ^[4]

A domestication study reported successful establishment under low canopy coverage and used surface color to assess physiological maturity. For harvest, follow the fruit's color change on the individual tree rather than a fixed date or bearing-age promise. Refrigeration extended postharvest life in that study, so cooling is useful when fruit cannot be processed promptly. ^[5]

Fruit and uses

The fruit is described as greeny-yellow and globose, up to about 3 cm across, with firm, succulent, sweet pulp. Reported uses include fresh eating and preparations such as juices, ices, liqueurs and sweets. ^[2]

References

• ↑ [1] GBIF species match: Campomanesia xanthocarpa. Accepted species match, genus, family and order; accessed 2026-09-24.

• ↑ [2] Campomanesia xanthocarpa - Useful Tropical Plants. Common name, synonym, tree form, habitat, fruit, cultivation setting, light, frost context and seed propagation; accessed 2026-09-24.

• ↑ [3] Shading as a means of mitigating water deficit in seedlings of Campomanesia xanthocarpa. Seedling shade and water-deficit response; accessed 2026-09-24.

• ↑ [4] Fenologia reprodutiva, biometria do fruto e semente de Campomanesia xanthocarpa. Reproductive phenology and fruit and seed variation; accessed 2026-09-24.

• ↑ [5] Initial domestication of Campomanesia xanthocarpa and C. guazumifolia. Establishment, maturity assessment and postharvest refrigeration; accessed 2026-09-24.

• ↑ [6] Caracterização farmacognóstica de Campomanesia xanthocarpa Myrtaceae. Species-focused botanical morphology and anatomy record; accessed 2026-09-24.

• ↑ [7] Campomanesia xanthocarpa — CABI Compendium record. Taxonomic and bibliographic record linked to the Flora Brasiliensis treatment; accessed 2026-09-24.

Image credits

• Campomanesia xanthocarpa - Parque Estadual da Serra do Mar - iNaturalist 173498619 (2).jpeg — specimen in Parque Estadual Serra do Mar, Brazil; photograph by Gilmar R. Ferreira; file page; licensed CC BY-SA 4.0. Attribution: Gilmar R. Ferreira; share-alike compliance required.