- UFR-15 — seed parent: Hirado Buntan Pummelo
- UFR-15 — pollen parent: Cleopatra Mandarin
- US SuperSour 1 — seed parent: Hirado Buntan Pummelo
- US SuperSour 1 — pollen parent: Cleopatra Mandarin
- US SuperSour 4 — seed parent: Hirado Buntan Pummelo
- US SuperSour 4 — pollen parent: Cleopatra Mandarin
- The UFR-15 patent describes a conventional cross with Hirado Buntan pink pummelo as the seed parent and Cleopatra mandarin as the pollen parent. These are the patent-reported parents; the separate FFSP tetrazyg caption is not used to infer different parentage.
Source [3]: https://patents.google.com/patent/USPP27275P3/en
World of Citrus