| Summary: | Service tree (Sorbus domestica L.) is a native species of the western, central and Southern Europe as well as southwest Asia. It was identified as an endangered species at the end of the last century. Thus, it was put on the list of European priority species for conservation (EUFORGEN, ECPGR). This paper presents the results of the analysis of six accessions. The following features of the chosen accessions were analysed: trunk circumference; the height and width of the canopy; number of individual leaflets; the total surface area of compound leaf; the weight, size, shape and colour of fruit epidermis; the number, weight and size of the seeds in each fruit; and phenological development stages. The height of the chosen accessions ranged from 12 to 15.5 m. The average fruit weight of the selected accessions ranged from 7.85 g to 10.45 g. The average surface area of a compound leaf ranged from 79.25cm2 to 99.87 cm 2 . The maximum number of seeds in the mature fruits of the selected accessions was 3. It was found that the selected accessions showed satisfactory vegetative activity and satisfactory potential for generative reproduction. Therefore, six analysed accessions can be accepted as mother trees for the establishment of service tree population in the territory of the Banjaluka region.
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