williamsii) European Reg. No. 153. Seedling from C.x williamsii ‘Mary
Christian’; pollen parent unknown. Grown
by Charlotte Petherick, of Porthpean, Cornwall, U.K. Seedling first established approx. 1980, with
first blooming in 1985. Named by Martin
Petherick, and introduced by porthpean House Gardens. Named for Porthpean House, where seedling
originated. Plant shows rapid upright
growth. Buds are lanceolate, cream
outside with pink tips. The flowers are
a semi-double. Stamens are loose, with
some petaloids present. Stamens and
filaments are yellow, and petaloids pink.
The large flower is a rich pink with shades of purple. Spent flowers fall whole. The large leaves are curved, and dark
green. The cultivar has an early
flowering season, over a long blooming season, and is described as very floriferous.