Choose the correct pair.
Valvate aestivation - Corolla of China-rose
Imbricate aestivation - Corolla of bean
Valvate aestivation - Corolla gulmohur
Twisted aestivation - Corolla of cotton
Corolla of gulmohur - Imbricate aestivation
Corolla of bean - Vexillary aestivation
Corolla of china rose - Twisted aestivation.