| horse chestnut |
Aesculus hippocastanum |
| hibiscus, roselle |
Hibiscus sabdariffa |
| hop, hops |
Humulus lupulus |
| heal all, self heal |
Prunella vulgaris |
| hawthorn |
Crataegus spp. |
| horsetail |
Equisetum arvense |
| holy basil |
Ocimum tenuiflorum (syn. O. sanctum) |
| hemidesmus, East Indian sarsaparilla |
Hemidesmus indicus |
| henbane |
Hyoscyamus niger |
| hoodia, ghaap |
Hoodia gordonii |
| hemp, marijuana, cannabis |
Cannabis sativa |
| hibiscus, ambary plant, burao, rosa sinensis, red sorrel, karkadi, kenaf |
Hibiscus spp. |
