u/Fit_Acanthisitta3276

(Boschiana x (veitchii x burbidgeae)) x [(lowii x veitchii)] x boschiana) x (veitchii x maxima) x veitchii)] x veitchii (m).

(boschiana x (spectabilis x veitchii) x (densiflora × spectabilis "giant") × [(lowii × ventricosa) × (lowii × macrophylla)]