1. Climbing palm of Sri Lanka and southern India remarkable for the great length of the stems which are used for malacca canes
   - rattan, rattan palm

Type of: calamus

• genus Hynerpeton
• genus Hyoscyamus
• genus Hypentelium
• genus Hypericum
• genus Hyperoglyphe
• genus Hyperoodon
• genus Hyphantria
• genus Hypochaeris
• genus Hypochoeris
• genus Hypoderma
• genus Hypopachus
• genus Hypopitys
• genus Hypoxis
• genus Hypsiglena
• genus Hypsiprymnodon
• genus Hyracotherium
• genus Hyssopus
• genus Iberis
• genus Ibero-mesornis
• genus Ibis
• genus Ichthyosaurus
• genus Ichthyostega
• genus Ictalurus
• genus Icteria
• genus Icterus