genus Aphyllanthes
— Noun
– English
~ one species; small fibrous-rooted perennial with rushlike foliage and deep blue flowers; sometimes placed in its own family Aphyllanthaceae
genus Acocanthera
— Noun
– English
~ small genus of trees and shrubs containing strongly toxic cardiac glycosides; Arabia to Africa
genus Agropyron
— Noun
– English
~ perennial grasses of temperate and cool regions: wheatgrass; dog grass
genus Albugo
— Noun
– English
~ type genus of the Albuginaceae; fungi causing white rusts
genus Alpinia
— Noun
– English
~ perennial rhizomatous herbs of Asia and Australia and Polynesia having ginger-scented rhizomes
genus Adenota
— Noun
– English
~ African antelopes: puku
genus Anomalops
— Noun
– English
~ type genus of the family Anomalopidae
genus Ammobium
— Noun
– English
~ small genus of Australian herbs grown for their flowers
genus Amanita
— Noun
– English
~ genus of widely distributed agarics that have white spores and are poisonous with few exceptions
genus Acanthocereus
— Noun
– English
~ mostly trailing cacti having nocturnal white flowers; tropical America and Caribbean region
genus Arceuthobium
— Noun
– English
~ genus of chiefly American plants parasitic on conifers
genus Angrecum
— Noun
– English
~ genus of tropical Old World epiphytic orchids with showy flowers sometimes grotesque