Starfruit
Averrhoa carambola
Carambola. Five-ridged oxalis-family fruit. High oxalate. People with kidney disease are often told to avoid it — a real medical-food issue.
GROW → HARVEST → EAT → DRY → POWDER → CAPSULE → GUMMY — forms are not equivalent. Food first.
Identity
Also called: carambola
What it is
Carambola. Five-ridged oxalis-family fruit. High oxalate. People with kidney disease are often told to avoid it — a real medical-food issue.
Edible portions
- fruit, in people without relevant kidney disease
Absence of a portion from this list means it is not treated as food here — not that every other part is toxic.
Growing
- Climate. 10–11
- Light. Full sun, tropical
- Soil. Well-drained
- Planting. Tropical tree.
- Harvest. When colored and slightly yielding; ridges brown if overheld.
Preparation and culinary uses
- Sliced stars in salad
Nutrition and compounds
- Vitamins (qualitative, well-known associations). vitamin C — not milligram values.
AAA interpretation Food first. These associations explain why a plant shows up in a nutrient conversation — they are not a supplement shopping list.
Safety
- Oxalate-rich. People with chronic kidney disease are commonly advised to avoid starfruit. This is a known food-safety issue, not folklore.
Next steps
Sources
- USDA PLANTS Database — taxonomy and range (verify current entries)
- USDA FoodData Central — nutrient profiles for foods (verify current entries; this page does not invent milligrams)
- State cooperative extension growing guides — verify for your region
Honest incompleteness is preferred to fabricated completeness. If a section is missing, no record for it is attached here — not a claim that the plant lacks that characteristic, and not that it was omitted as a secret.
Internal quality class A. Strong page: distinctive plant facts plus practical growing or kitchen use.