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Article (magazine) published 2004 by Journal of Horticultural Science & Biotechnology.

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(2004) 79 (2) 189–196
SUMMARY From The Journal of Horticultural Science & Biotechnology:
...Rosa roxburghii Tratt. is of great interest due to its high content of vitamin C, very high superoxide dismutase (SOD) activity, attractive senescence-retarding and cancer-preventing effects, together with immunity to rose blackspot disease.

Thirty-six morphological traits, 251 RAPD markers amplified with 29 arbitrary primers, and 1685
AFLP markers generated from 54 primer combinations were employed to discriminate between 15 roses, and to evaluate their relatedness. Compared with the relatives, very close relationships were found among the genotypes of Rosa roxburghii. Furthermore, a high relatedness was strikingly obtained between R. sterilis S. D. Shi and R. hiveichowensis Yu and Ku. Based on the assessments of the three kinds of data, multi-corolla cili and white-flower forms are certainly variants from R. roxburghii Tratt, while seedless form presumably originates from a completely male-sterile strain of R. kweichonensis.