Tree Peony. No seedling number – but sister seedling to ‘Passacaglia’. Pod parent a Rockii hybrid of unknown origin, pollen parent an unknown Japanese tree peony. First bloomed 1999. First propagated 2003. SEMI-DOUBLE flowers, 20 cm (8 inches) in diameter, light pink fading to white as flower ages, one (sometimes two) buds per stem. Petals are rounded, with dark, nearly black flares. Fragrance, but not strong. Carpels 5 or more in number, pale green, moderately hairy. Stigmas white, normal. Has stamens and pollen, produces seeds. Sheath white, complete. Foliage green, suffused purple. Upright spreading growth to 2 m (6½ feet). Named after the musical term describing tempo.