Helianthemum ventosum 
Hemp bush Henderson's checker-mallow Herba de cotó 
Heritiera fomes Hibiscus aponeurus Hibiscus ferrugineus 
Hibiscus geranioides 
Hibiscus micranthus 
Hibiscus moscheutos 
Hibiscus tiliaceus 
Hoary Rock-Rose 
Hollyhock 
Howittia 
Illawarra flame tree Indian Abutilon 
Japanese Lanterns 
Jute 
Kapok 
Keruing Belimbing 
Kitaibelia balansae Lacebark Tree 
Lady's fingers Large-leaved Lime