(n)chiefly east Asian shrubs
(n)large genus of shrubs and trees and some woody vines of Central and South America, Africa, Australia and Polynesia: wattle; mimosa
(n)perennial often aromatic and sometimes mat-forming herbs of north temperate regions: yarrow; milfoil
(n)genus of tropical perennial American herbs
(n)type genus of the family Actinomycetaceae
(n)genus of antelopes of northern African deserts
(n)type genus of the Aepyornidae: elephant birds
(n)epiphytic orchids of tropical Asia having stiff leaves and fragrant white flowers in arching racemes
(n)large genus of East Indian ornamental woody epiphytic plants
(n)type genus of the Agamidae
(n)small genus of South African evergreen or deciduous plants; sometimes placed in the family or subfamily Alliaceae
(n)type genus of the Agavaceae; in some classifications considered a genus of Amaryllidaceae
(n)genus of tropical American herbs grown for their flowers
(n)genus of herbs found chiefly in north temperate regions having pinnate leaves and yellow flowers followed by bristly fruit
(n)small genus of east Asian and Chinese trees with odd-pinnate leaves and long twisted samaras
(n)large genus of unarmed trees and shrubs of Old World tropics, Syn.genus Albizzia (n)genus of bulbous plants of South Africa; sometimes placed in subfamily Hyacinthaceae
(n)genus of tropical American woody vines
(n)type genus of the Alligatoridae
(n)tropical Asiatic herbs similar to Colocasia but distinguished by a large sterile spadix
(n)large genus of chiefly African liliaceous plants; in some systems placed in family Aloeaceae
(n)genus of showy South American herbs with leafy stems; sometimes placed in family Alstroemeriaceae or in family Amaryllidaceae
(n)hollyhocks; in some classification systems synonymous with genus Alcea
(n)type genus of the Amaryllidaceae; bulbous flowering plants of southern Africa
(n)comprising the ragweeds; in some classification considered the type genus of a separate family Ambrosiaceae
(n)small genus of Australian herbs grown for their flowers
(n)protozoan inhabiting moist soils or bottom vegetation in fresh or salt water
(n)American herbs or shrubs usually growing in dry sunny habitats on prairies and hillsides
(n)genus of large tropical east Asian cormous aroids: devil's tongue; snake palm
(n)type genus of the Amphioxidae
(n)genus of large duck-billed dinosaurs; late Cretaceous
(n)rough and hairy Old World herbs
(n)a solitary burrowing short-tongued bee
(n)low-growing shrubs of northern regions of northern hemisphere
(n)a genus of hardy hairy latex-producing perennials of Mediterranean area
(n)perennial herbs with tuberous roots and beautiful flowers; of north and south temperate regions
(n)biennial or perennial herbs of the northern hemisphere; have a taproot
(n)one species: tree fern
(n)type genus of the Anhingidae
(n)armored herbivorous dinosaurs of the Cretaceous
(n)a genus of mammals of the family Bovidae
(n)type genus of the family Anomalopidae
(n)large genus of often epiphytic evergreen tropical American plants often cultivated as houseplants