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