The technical term used for the androecium in a flower of China rose (Hibiscus rosa sinensis), is
Monadelphous
The technical term used for androecium in a flower of China rose is monadelphous. In monadelphous condition, all filaments become fused and form a group, while anthers remain free,
e.g.China rose, Achyranthes, etc.
Diadelphous - Fusion of filaments forming two groups.
Polyandrous - when stamens are free.
Polyadelphous - Fusion of filaments forming many groups.