Hairy Checkerbloom          

Hairy Indian Mallow          

Hairy Marshmallow          

Halberdleaf Rosemallow      

Hau Kuahiwi          

Hawaii Treecotton          

Hawaiian Cotton      

Heartleaf Fanpetals          

Heartleaf Rosemallow          

Hendersons Checkerbloom          

Herissantia          

Hibiscadelphus          

Hibiscus          

Hickmans Checkerbloom          

Hiddenpetal Indian Mallow          

High Mallow          

Hispid False Mallow          

Hollyhock          

Hot Springs Globemallow          

Hualalai Hau Kuahiwi