Persea americana - Image of flowers of this species. Persea gratissima - Closeup image of this species. Persea americana, Avocado - Features a detailed discussion of anatomy of flowers and fruit. Persea borbonia - Distribution and occurrence, value and use, characteristics, and fire ecology of redbay. Persea americana (Avocado) - Information about the biology and history of domestication of this plant native to Central and South America. Persea palustris (Swamp Bay) - Images and descriptions of leaf, flower, fruit, twig, bark, and form. Persea borbonia (Redbay) - Describes physical characteristics of leaf, flower, fruit, twig, and bark. Includes photos.