With 5-7 petals arranged in 1-2 whorls, fused at the base, having fully developed pistils and stamens capable of bearing seeds. Contains only one form: Single-petaled type, e.g., 'Bright Leaf Golden Heart', 'Laurel Leaf Golden Heart'.

2. Semi-double class

With 20-50 petals arranged in 3-5 whorls, pistils and stamens show varying degrees of petal transformation, occasionally producing seeds. Includes 4 forms: Semi-curved petal type like 'White Hydrangea', Star type like 'Eastern Camellia', Lotus type like 'Ten Varieties', Pinecone type like 'Large Pinecone'.

3. Double-petaled class

With over 50 petals, most stamens are petaloid with naturally increasing petals, usually seedless, representing the largest group among ornamental camellias. Includes 7 forms: Anemone form like 'Complete Lychee', Chrysanthemum form like 'Pomegranate Red', Hibiscus form like 'Red Hibiscus', Crown form like 'Flower Buddha Tripod', Pompon form like 'Big Red Ball', Radiant form like 'Big Red Hexagon', Rose form like 'Small Peach Red'.