Eugenia pyriformis
| Uvaia (Eugenia pyriformis) | |
|---|---|
| |
| Scientific name | Eugenia pyriformis |
| Common names | Uvaia; uvalha |
| Genus | Eugenia |
| Family | Myrtaceae |
| Order | Myrtales |
| Fruit type | Berry |
| Growth form | Evergreen shrub or small tree |
| Native range | Southern South America, especially Brazil, Paraguay, and Argentina (Bolivia per Kew; Uruguay in some accounts) |
| Climate and site | Tropical to subtropical; seasonally dry forest and open woodland |
| Mature size | Usually 5 to 15 m; bole about 30 to 50 cm in diameter |
| Propagation | Fresh seed; sow promptly in partial shade |
| Fruit | Yellow, aromatic, globose to pear-shaped, with thick succulent pulp |
| Harvest | Pick ripe yellow fruit promptly; the soft fruit is perishable |
| Years to fruit | About 3 to 4 years from seed under favorable conditions |
Uvaia (Eugenia pyriformis; also uvalha) is an evergreen fruiting shrub or tree in the family Myrtaceae. It is native to seasonally dry and open forests of southern South America and is cultivated in Brazil for its aromatic yellow fruit. The accepted scientific name is distinct from the better-known pitanga, Eugenia uniflora.[1]
Description[edit | edit source]
The plant has a small, open crown and an erect bole. It is reported as an evergreen shrub or tree 5 to 15 m tall, with a trunk 30 to 50 cm in diameter. The fruit is yellow and aromatic, varying from globose to pear-shaped; reported sizes range from about 4 cm in diameter to 8 cm long by 6 cm wide. The thick pulp may taste sweet or acidic depending on the form.[2]
Distribution and habitat[edit | edit source]
The native range extends through southern, central, and eastern Brazil and into Paraguay and northern Argentina. Some published accounts also include Uruguay, while the current Kew record lists Bolivia instead and omits Uruguay. Plants occur in open semi-deciduous forest and open Araucaria forest, commonly at elevations from about 300 to 1,500 m. This setting gives the species a more seasonal, cooler winter rhythm than humid lowland rainforest fruits.[2][3]
Cultivation[edit | edit source]
Uvaia suits tropical and subtropical sites with warm growing seasons and a pronounced dry or cooler period. A useful climate range is about 20 to 26 °C for daytime temperatures, with tolerance reported from about 15 to 30 °C. Established plants tolerate some drought, but steady moisture during active growth and fruit enlargement improves growth and reduces stress.[2]
Soil and water[edit | edit source]
Use a well-drained soil with substantial organic matter. The plant tolerates several soil textures but is reported to dislike alkaline conditions; a pH near 6 to 7 is preferred, with a broader tolerance of about 5 to 8. Water young trees consistently while roots establish, then allow the surface to dry modestly between irrigations if the root zone remains aerated.[2]
Sun and humidity[edit | edit source]
Full sun or part-day shade is suitable. Open sun supports flowering and fruiting, while light afternoon shade can reduce heat and water stress in hotter inland climates. The species is adapted to open and semi-deciduous woodland rather than permanently saturated rainforest, so airflow and drainage are more useful than enclosing the canopy in still, very humid conditions.[2]
Seasonal changes[edit | edit source]
The native habitat includes seasonally dry forest and subtropical woodland. In cultivation, keep irrigation more regular through flowering, fruit swelling, and hot weather; reduce it during a cool or naturally dry interval without allowing container plants to desiccate. Flowering and harvest timing varies by hemisphere, climate, and plant, so local records are more reliable than a single calendar date.[2]
Propagation[edit | edit source]
Sow fresh seed as soon as the fruit is ripe because reported viability lasts about 60 days or less. Use individual containers and partial shade; germination is reported at about 40 percent and may take 10 to 40 days. Seedlings develop slowly and may be ready for planting out after about 10 to 11 months. Seedling trees can begin producing fruit at about 3 to 4 years, although climate and plant management affect the interval.[2]
Flowering, fruiting, and harvest[edit | edit source]
Fruit develops from flowers produced on the current seasonal growth cycle, and flowering and harvest timing varies across the native and cultivated range. The yellow fruits are aromatic and soft when ripe. Pick them as color and aroma develop, handling them carefully because the succulent pulp and thin skin give limited storage life. Refrigeration or prompt processing is preferable when fruit cannot be eaten immediately.[2]
Fruit and uses[edit | edit source]
Uvaia is eaten fresh and is processed into juice, jellies, and other preserves. Flavor varies among forms from sweet to acidic, and the thick, juicy pulp is the main edible portion. The tree is also planted as an ornamental and is useful in gardens that can provide a warm growing season, drainage, and protection from severe freezes.[2]
References[edit | edit source]
- ↑ [1] GBIF species match: Eugenia pyriformis. Accepted exact species match; family, order, and genus.
- ↑ [2] Useful Tropical Plants: Eugenia pyriformis. Habit, range, habitat, climate, soil, fruit, uses, bearing age, and seed propagation.
- ↑ [3] Plants of the World Online: Eugenia pyriformis. Kew accepted taxon record; distribution and synonyms.
Image credits[edit | edit source]
- Summary image: Uvaia Fruto1.jpg — Divinomar Severino, public domain; file page. The disputed additional CC BY 2.0 image was omitted because its species attribution is unresolved.
