Camellia japonica 'Grand Slam'

Flower to 13 cm wide, from informal double to semi-double, dark red. Raised as a seedling of unknown parentage at Nuccio's Nurseries, Altadena, California that first bloomed in 1957. Int. c. 1962.
kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Asteranae
order      Ericales
family       Theaceae
genus        Camellia L.
species         Camellia japonica L.