Kauaʻi record · kba_plant_carica_papaya
Papaya
Carica papaya
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About Papaya
Papaya (Carica papaya) is an introduced tree treated as naturalized on Kauaʻi by Bishop Museum’s 2025 checklist and the 2026 Smithsonian checklist. Current extent is unassessed. A tropical American crop species of cultivated origin whose precise wild ancestry and original range are uncertain; it is now widely introduced across tropical regions and readily persists or escapes in disturbed settings. Naturalized on Kauaʻi in the Bishop Museum 2025 checklist (Status=nat; K=K), with Smithsonian 2026 Kauaʻi corroboration; public occurrence is island-level only. This evidence does not quantify current abundance or ecological effects.
Kauaʻi evidence
Taxonomic identity, tree form, diagnostic morphology and island occurrence use the linked reviewed sources. Historical planting, cultivation, naturalization and invasive status are separate. Generated imagery is not occurrence evidence.
Names and classification
- Scientific name
- Carica papaya
- Common names
- Papaya · Papaw
- Other names
- Carica papaya · Papaya · Papaw · Papaya carica Gaertn.
- Record type
- Species
Kauaʻi occurrence and status
- Kauaʻi occurrence
- Recorded on Kauaʻi
- Origin
- Introduced
- Conservation status
- Not yet assessed
- Evidence date
- 2026-10-06
- Evidence limits
- Current island-wide abundance, occupied habitat, reproductive distribution, population trend, and ecological effects on Kauaʻi remain unassessed.
Habitat and ecology
- Habitats
- Not yet assessed
- Food and resource needs
- Not yet assessed
- Reproduction
- Plants may be male, female, or bisexual, so fruit production depends on compatible flower sex, pollination, and fertilization; sex expression can vary among plants and cultivated lines. Fruits contain many seeds, and establishment proceeds from viable seed after fruit maturation and dispersal. Kauaʻi-specific sex ratios, phenology, dispersers, and wild recruitment are unmeasured.
- Shelter
- Not yet assessed
- Growth form
- Tree-form giant herb
Threats and conservation
- Monitoring
- Not yet assessed
- Data gaps
- Current population extent and trajectory · Additional species-specific ecological and conservation sources
Process and seasonal context
- Seasonal timing
- Not yet assessed
- Seasonal description
- Papaya (Carica papaya) is an introduced tree treated as naturalized on Kauaʻi by Bishop Museum’s 2025 checklist and the 2026 Smithsonian checklist. Current extent is unassessed. A tropical American crop species of cultivated origin whose precise wild ancestry and original range are uncertain; it is now widely introduced across tropical regions and readily persists or escapes in disturbed settings. Naturalized on Kauaʻi in the Bishop Museum 2025 checklist (Status=nat; K=K), with Smithsonian 2026 Kauaʻi corroboration; public occurrence is island-level only. This evidence does not quantify current abundance or ecological effects.
Sources and further reading
- https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:30011248-2
- https://efloras.org/florataxon.aspx?flora_id=2&taxon_id=200014477
- https://www.worldfloraonline.org/taxon/wfo-0000588009
- https://www.plantsofhawaii.org/search/Carica%20papaya
- https://hbs.bishopmuseum.org/publications/pdf/tr75.pdf
- https://editedimages.s3.us-east-1.amazonaws.com/Imadaetal.2025Hawaiianvascularplants.xlsx
- https://doi.org/10.5479/si.32124043