Also known as Sugar-apple, Custard Apple, Ate, Noina
Sweetsop is a semi-evergreen, freely branching shrub or small tree native to the tropical Americas and widely naturalized throughout global tropical lowlands. It produces curious pendant flowers with fleshy outer petals that emit a fruity scent at dusk to attract small nitidulid sap beetles for pollination. The knobby green aggregate fruit fractures into distinct segments as it ripens, exposing dark seeds that rely on frugivorous bats and birds for forest dispersal.
ThreatsHabitat clearance, root rot fungi, and agricultural pests like mealybugs
HabitatsTropical dry forests, lowland thickets, coastal scrub, and disturbed pastures
Life span20–30 years
Classification
OrderMagnoliales
FamilyAnnonaceae
GenusAnnona
SpeciesAnnona squamosa
Range & activity
Range data is not available yet.
Safe observation
Interaction riskHigh
Low
Moderate
High
Very high
Why interaction risk is high
Seeds contain toxic acetogenins, and wild fruits have toxic look-alikes; never ingest based on app identification alone.
Why it is dangerous
Seeds and leaves contain high concentrations of neurotoxic acetogenins, notably annonacin, which can cause severe digestive distress and neurotoxicity if crushed or ingested.
How to recognize a risky encounter
Look for a small tree with alternate, lanceolate leaves and green aggregate fruits covered in rounded, knobby segments.
What to do
Examine fruits externally without breaking the seeds, and keep fallen fruits and seeds out of reach of pets and children.
Responsible observation
Observation Timing: Inspect blooms in late afternoon when petals loosen and release pollinator scents.
Fruit Handling: Do not crush or ingest the hard black seeds when examining fallen specimens.
