genus Hymenaea
— Noun
– English
~ genus of tropical American timber trees
genus Hymenanthera
— Noun
– English
~ a genus of slender evergreen shrubs; grow in Australia and New Zealand
genus Hymenophyllum
— Noun
– English
~ type genus of the Hymenophyllaceae: filmy ferns
genus Hynerpeton
— Noun
– English
~ earliest fossil amphibian ever found; of the Devonian; found in Pennsylvania
genus Hyoscyamus
— Noun
– English
~ genus of poisonous herbs: henbane
genus Hypentelium
— Noun
– English
~ a genus of fish in the family Catostomidae
genus Hypericum
— Noun
– English
~ large almost cosmopolitan genus of evergreen or deciduous shrubs and herbs with often showy yellow flowers; cosmopolitan except tropical lowlands and Arctic or high altitudes and desert regions
genus Hypopitys
— Noun
– English
~ term used in some classifications for the pinesaps, which are usually included in the genus Monotropa
genus Hypoxis
— Noun
– English
~ small plants that resemble amaryllis and that grow from a corm and bear flowers on a leafless stalk; sometimes classified as member of the family Amaryllidaceae: star grass