The botanical world is full of surprising phenomena, but the Kronenbourg rose, bred by Jan Kubas in 1997, stands out for its particular uniqueness. After thirty years of uninterrupted blooms in intense red, one of its flowers surprised a gardener with two-toned petals – the inner side red and the outer white. Experts from the Royal Rose Society suggest that the cause of this unusual phenomenon may be the activation of a dormant gene, although the mystery of the precise distribution of colors remains unsolved.
Commonly known botanical oddities include four-leaf clovers, "witch's brooms" (pathological formations of numerous, tightly packed twigs, forming on various shrubs and trees), and irregularly formed flowers (abnormally flattened or overly large). Often, however, a truly astonishing specimen appears for unexplained reasons. This category of surprising and rare phenomena includes the Kronenbourg rose , bred in the summer of 1997 by Jan Kubas, a horticulturist from Leeds, USA.
For thirty years , Kubas's Kronenbourg variety had consistently been covered in red flowers, but in 1997, one flower proved to be a striking exception. The petals were bicolored: red on the inside and solid white on the outside.
Experts from the Royal Rose Society have concluded that the most likely explanation for this phenomenon is the sudden activation of a long-dormant gene in the original wild rose. However, the reasons for this gene's activity in the single rose bush remain unknown, as does the mysterious mechanism that caused the petals to be so precisely distributed: half red, half white, instead of producing a red rose with several white petals (or vice versa).
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