01 — Species
Which Truffle Species Is This?
Answer what you can see or know — everything else stays unanswered. The key narrows candidates and shows why: when several species share the answered characters it says so and leads to comparisons instead of inventing certainty.
Candidates
These species carry no established Istrian record, so the “yes” answer did not narrow them:
No register species matches this combination. Re-check the answers — especially month and interior — or the find is outside these eight records.
02The complete character table
Without script the page stays whole: all eight species with every character the key asks about, row by row.
| Species | Exterior (peridium) | Interior in section (gleba) | Aroma | Season | Species by host tree | Istria |
|---|---|---|---|---|---|---|
| Tuber magnatum White truffle | smooth, pale ochre to cream | pale brown with fine white veins | intense | September — January | Oak · Poplar · Willow · Lime · Hornbeam · Hop hornbeam · Hazel | one of the species Istria is known for |
| Tuber aestivum Summer truffle | black, coarse pyramidal warts | pale hazel with abundant white veins | mild | May — September | Oak · Hazel · Hornbeam · Beech · Lime · Pine | one of the species Istria is known for |
| Tuber aestivum var. uncinatum Burgundy truffle | black, coarse pyramidal warts | dark brown with dense white veins | moderate | September — January | Oak · Hazel · Hornbeam · Beech | occurs and is harvested in Istria |
| Tuber melanosporum Black winter truffle | black, fine polygonal warts | black-purple with fine white veins | strong | December — March | Oak · Hazel · Lime | occurs and is harvested in Istria |
| Tuber borchii Bianchetto truffle | nearly smooth, reddish brown | white then hazel with white veins | moderate | January — April | Pine · Oak · Poplar · Rock rose | occurs and is harvested in Istria |
| Tuber brumale Musky truffle | black, coarse irregular warts | grey-black with sparse coarse veins | strong | November — March | Oak · Hazel · Lime | occurs and is harvested in Istria |
| Tuber macrosporum Smooth black truffle | nearly smooth, reddish brown | brown-violet with broad white veins | strong | September — December | Oak · Poplar · Willow · Hazel | not recorded for Istria in this register |
| Tuber mesentericum Bagnoli truffle | black, coarse irregular warts | dark brown with dense white veins | strong | September — January | Oak · Beech · Hornbeam | not recorded for Istria in this register |