Kemp
The record of the National Fruit Collection, at Brogdale in Kent, describes it1:
Originated in Ireland, possibly Ulster. It was known in 1837. Fruits have firm, coarse flesh with a subacid flavour.
Sources
- Kemp (accession 1949 - 209), National Fruit Collection, Brogdale, Kent (Defra). Supports: the description quoted; the use; the fruit's size, shape and colours and the flesh, from the collection's characterisation; the picking time at Brogdale (late august); the other names.
- Using whole-genome SNP data to reconstruct a large multi-generation pedigree in apple germplasm, Hélène Muranty and others, BMC Plant Biology 20:2, 2020. Supports: its ploidy, diploid (supplementary table S1).