🍇 Amazon Grape (*Pourouma cecropiifolia*)
🔤 Name English / nombre español / Name Deutsch
Amazon Grape / Uvilla amazónica / Amazon Grape
📄 General description
Amazon Grape (Pourouma cecropiifolia) is a fast-growing, small tree native to the western Amazon basin. It is cultivated for its sweet, grape-like fruits and its usefulness as a fast shade tree in agroforestry systems. The species is notable for its soft wood, rapid growth, and adaptability to disturbed or degraded soils. It is a valuable pioneer species in tropical reforestation and home gardens.
🌿 Botanical Characteristics:
Family
Urticaceae / (Nettle family)
Growth and Structure
Amazon Grape is a short-lived, fast-growing tree that typically reaches 5–12 meters in height. It develops a straight trunk with a narrow, loosely branched crown. The bark is thin and grayish. Branching is often sparse, and the tree tends to grow upright rather than spreading. Its soft wood makes it prone to damage from wind or heavy loads
Leaves
The leaves are large, palmate, and deeply lobed, resembling those of Cecropia species. Each leaf can measure up to 30 cm in diameter and has a silvery underside due to fine hairs. Leaves are arranged alternately and are supported by long, thick petioles. They contribute to the tree’s ornamental appearance and high transpiration rate.
Flowers
The species is dioecious, meaning male and female flowers grow on separate individuals. Flowers are small and inconspicuous, forming in dense spikes or clusters. Flowering occurs during the early rainy season.
Pollination
Pollination is mainly by wind, although small insects may contribute locally. Because the species is dioecious, cross-pollination between male and female trees is essential for fruit production.
Sexual System
Dioecious
Sexual System Notes
Male and female flowers are borne on separate trees. Fruit set only occurs when a male tree is present nearby to provide pollen.
🌤️ Soil and Climate Preferences
Amazon Grape prefers warm, humid climates and is well adapted to tropical lowlands with regular rainfall. It grows best in fertile, well-drained soils but tolerates poor, compacted, or degraded soils. The species performs well in full sun to partial shade and is commonly planted in polycultures or along forest edges.
🍇 Fruit and Use:
General Use
The fruit is valued for its juicy, sweet, grape-like flavor and is typically eaten fresh. In local markets, it is often sold in small clusters. The tree is also appreciated for its ecological functions: fast shade, erosion control, and soil improvement. The fruits are sometimes used in juices or fermented beverages.
Ripening Season in Costa Rica
In Costa Rica’s Caribbean lowlands, fruiting usually occurs between August and October, following flowering in the early rainy season. Trees grown from seed may take 3–5 years to begin fruiting, depending on conditions.
Common Fruit Traits
The fruit resembles small grapes, about 1.5–2 cm in diameter, with thin purple skin and juicy translucent pulp. Each fruit contains a single large seed. Fruits grow in clusters and are soft and fragile when ripe, requiring careful harvesting
Climacteric Category
Slightly climacteric
👉🏽 Climacteric category overview
Climacteric Category Notes
Fruits can continue to ripen off the tree, but quality declines rapidly. Best consumed shortly after harvest.
🌱 Propagation and Grafting
The species is mainly propagated by seed, which germinates readily. Due to its dioecious nature, seed-grown trees will produce either male or female individuals, so planting multiple trees is recommended. Vegetative propagation (e.g. cuttings or grafting) is rare but possible to ensure known sex or superior fruit quality.
✂️ Care & Challenges:
Pruning
Minimal pruning is needed beyond removing damaged or crossing branches. Young trees can be shaped to encourage upright growth.
Diseases and Pests
Generally resistant to most pests and diseases. Young seedlings may be vulnerable to damping-off. Occasional fungal leaf spots or root issues may occur in poor drainage.
Soil and Fertilization
Responds well to compost and organic mulches. Does not require heavy fertilization but benefits from soil improvement and regular watering during dry spells. Avoid over-fertilizing with nitrogen, which may reduce fruit set.
🧺 Harvest Notes
Fruits should be harvested when fully colored and soft. Due to their fragility, they are best picked by hand and consumed or processed quickly. Fruits do not transport well over long distances.
📍 Individuals in the field
Will be added soon.