Families (As per APG IV)

 
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

H

Hamamelidaceae - 10 ( Altingia excelsa, Corylopsis himalayana, Corylopsis himalayana var. griffithii, Distylium indicum, Exbucklandia populnea, Liquidambar styraciflua, Loropetalum chinense, Parrotiopsis jacquemontiana, Sycopsis griffithiana, Sycopsis griffithiana)

Hernandiaceae - 4 ( Gyrocarpus americanus, Hernandia ovigera, Hernandia peltata, Hernandia sonora)

Hydrangeaceae - 5 ( Hydrangea angustipetala, Hydrangea aspera, Hydrangea aspera subsp. robusta, Hydrangea heteromalla, Pileostegia subansiriana)

Hypericaceae - 5 ( Cratoxylum formosum, Cratoxylum formosum subsp. pruniflorum, Cratoxylum polyanthum, Cratoxylum sumatranum, Cratoxylum sumatranum subsp. neriifolium)