Magnolia 'J.C. Williams'
M. sprengeri x M. sargentiana var. Robusta. Crossed by Philip Treguna 1959. Flower colour is very similar to M. campbellii mollicomata 'Lanarth'. Flowers up to 20 cm. across and 9 cm. high, of an unfading purple. Previous 'Caerhays New Purple Seedling'