genus Hibiscus
— Noun
– English
~ large genus of tropical and subtropical herbs and shrubs and trees often grown as ornamentals for their profusion of large flowers in a variety of colors
genus Hieracium
— Noun
– English
~ large genus of perennial hairy herbs of Europe to western Asia to northwestern Africa and North America; few are ornamental; often considered congeneric with Pilosella
Guiana Highlands
— Noun
– English
~ a mountainous tableland in northern South America; extends from Venezuela into Guyana and northern Brazil
genus Himantoglossum
— Noun
– English
~ small genus of terrestrial orchids of Europe and Mediterranean region
genus Himantopus
— Noun
– English
~ major one of two genera of stilts; similar to avocets but with straight bills
genus Hippeastrum
— Noun
– English
~ bulbous flowering plants of tropical America
genus Hippobosca
— Noun
– English
~ type genus of the Hippoboscidae