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Parentage: P. rockii subsp. linyanshanii open-pollinated. Grew from a seed dropped during collection, whereupon it rolled into a crack between the concrete walkway and the house from which it could not be retrieved. It germinated there and grew well. This earned it the garden name “Escapee.” First bloomed 2017, first propagated 2018. SINGLE with two rows of amethyst-violet guard petals (RHS: CC 77 A). Black flares extend one-third the length of the petals, their edges very shallowly bleeding and somewhat blurred. Petals rounded, shallowly notched, and ruffled, their width 2¼-3 inches (6-8 cm). One flower per stem. Flowers 7-8 inches (18-20 cm) in size. Five carpels, white and moderately hairy. Stigmas cream colored, with normal anatomy. Pollen-bearing stamens have white filaments. Fertile. Sheath only partially developed, white. Early Midseason bloom. Fragrance. Upright growth habit, somewhat spreading, with typical Gansu Mudan foliage. Expected height at maturity 48 inches (120 cm). Named Vigoroso (a musical tempo mark directing that a passage is to be played with emphasis, spirit, vigor or energy) to reflect its toughness and vigorous growth habit. To be propagated and distributed by W. Giessler, Groß Rosenburg, Germany.

Reference: 2019 Pending