PlantaeHighest rank in taxonomy. Groups all life into domains: Animalia, Plantae, Fungi, etc.IUCN NEInternational Union for Conservation of Nature — the world authority on species extinction risk, using standardized criteria. — Not Evaluated — not yet assessed against the IUCN Red List criteria.In ProgressCurrent stage of this record in the editorial review workflow. Recent Sighting
Carica papaya
Papaya
L.
Detailed Texts Multi-lang
A fast-growing, single-stemmed, semi-woody evergreen tree resembling a palm, capped by a crown of deeply palmately lobed leaves. It lacks true bark and branches under normal conditions. The species produces large, elongated, smooth-skinned berry-like fruits that mature from green to yellow-orange, housing a vibrant orange or reddish flesh filled with numerous small, mucilage-covered black seeds and an enzyme-rich milky latex.
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Anonymous Curator
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Under Review
Other Names (Global)Regional and multilingual names used for this species across different countries and languages.
LechosaFruta bombaMamónMelón de árbolPawpawPapayer
TaxonomyBiological classification ranks placing this species within the tree of life, from Kingdom down to Genus.
PhylumRank below Kingdom. Groups organisms sharing a fundamental body plan (e.g., Chordata = vertebrates and some invertebrates).Tracheophyta
ClassRank below Phylum. Subdivides by structural traits (e.g., Mammalia, Aves, Reptilia, Insecta).Magnoliopsida
OrderRank below Class. Groups related families sharing common ancestry (e.g., Carnivora, Primates).Brassicales
FamilyRank below Order. Groups closely related genera (e.g., Felidae = cats, Canidae = dogs).Caricaceae
GenusRank just above Species. The first word in the two-part binomial scientific name.Carica
Taxonomic AuthorityThe scientist who first formally described and published this species, followed by the year of publication.L.
Record Completeness
84%Coming soon
Ecology & StatusHow this species lives: habitat preferences, diet, behavior, population status, and role in its ecosystem.
OriginWhether the species is native (evolved here), endemic (found only here), or introduced by human activity.
Native
Population TrendDirection of change in population size over time: increasing, stable, decreasing, or unknown.
Stable
Trophic RolePosition in the food chain: producer, herbivore, carnivore, omnivore, decomposer, or parasite.
Herbivore
Growth HabitPhysical form and structure of the plant: tree, shrub, herb, vine, epiphyte, aquatic, etc.
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Leaf TypeLeaf characteristics: deciduous (seasonal shed), evergreen, simple, compound, needle-like, etc.
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Flowering SeasonTime of year when this species typically reproduces or flowers.
Year Round
Recent SightingsWhether this species has been observed in the wild in Costa Rica within recent years.
Yes
Habitat SummaryOverview of the specific ecosystems and environments where this species is found in Costa Rica. Multi-lang
Native to the tropical lowlands of Mesoamerica and northern South America. It thrives in well-drained, fertile soils in warm climates with high sun exposure, showing an extreme intolerance to frost and prolonged waterlogging. It behaves as a pioneer species in disturbed forest gaps and is universally cultivated across the global humid tropics.Light & Water NeedsSunlight intensity and moisture levels this plant needs to grow and reproduce successfully. Multi-lang
Information not available in English. Help us expand this record!BehaviourDaily activity patterns, movement, territory use, foraging style, and seasonal behavioral changes. Multi-lang
An opportunistic, fast-growing pioneer plant that rapidly establishes itself in newly cleared forest soils or natural gaps. It plays a significant ecological role in restoration by sheltering younger shade-loving understory plants, stabilizing topsoil, and providing continuous tropical food yields that sustain fruit-eating wildlife throughout the entire calendar year.Toxicity / UsesToxic compounds present and their documented effects on humans or other organisms. Multi-lang
Information not available in English. Help us expand this record!Physical Measures
Length (cm)
300.0 - 1000.0 cm
Reproductive StructuresFlowers, fruits, and seeds — the reproductive organs and their seasonal appearance.
Flower Photos (Max 2)
No imageFruit Photos (Max 2)
No imageEvolutionary AdaptationsInherited traits and behaviors that improve the species' survival and reproduction in its specific environment. Multi-lang
Produces an abundant, thick white latex throughout its stems and immature fruit containing papain and chymopapain, highly potent proteolytic enzymes that digest proteins and act as a powerful chemical defense mechanism against herbivorous insects and fungi.
Features hollow, lightweight, fibrous trunks with rapid cellular growth, allowing the plant to rapidly shoot upward towards forest canopy light gaps without expending immense energy on dense woody structures.
Main ThreatsDocumented pressures reducing the population: habitat loss, hunting, disease, climate change, and invasive species. Multi-lang
Devastating susceptibility to the Papaya Ringspot Virus (PRSV), a destructive aphid-transmitted plant virus that causes severe leaf mottling, stunting, and distinctive ring-shaped blemishes on the fruit, causing complete collapse of agricultural yields.
Extreme sensitivity to mechanical root damage, soil compaction, and waterlogging, where less than 48 hours of stagnant water can trigger root hypoxia and rapid death due to secondary fungal infections.
Interesting FactsSurprising or notable facts that highlight what makes this species unique or ecologically important. Multi-lang
Papaya exhibits complex sexual plasticity. Individual trees can change their biological sex dynamically based on environmental temperatures and seasonal changes, shifting from purely male to hermaphrodite or vice versa.
Because of its incredibly rapid growth cycle, the papaya tree functions like an annual or biennial herbaceous crop in global farming, despite technically developing a giant tree-like structure.