abundant attractive beautiful bloom blooms bright brilliant clusters colorful colors colourful colours conspicuous cultivars cultivated decoration decorative display flora floral flowering-tree flowers foliage garden-flower green greenery hardy leaves nature ornamental petals pink plant surface surfaces texture textured textures tree trees Australian aviculture beak bird black body cacatua-galerita caged captive cockatoo crest curled curling curved-beak dark-grey-black-bill distinctive eye feathers fluffy head iconic intelligent large mimicry Noisy numerous parrot plumage popular powerful screeching strong sulphur-crested white wings yellow bush camellia Camellias color colour delicate-flowers evergreen evergreen-shrubs floral-displays flower flowering garden-plant hedging-plant long-lasting-shrubs ornamental-plants pruning-friendly sasanqua shrubs species stamen- bouquet stamens Theaceae varieties yellow-stamens