Are the Genii Sequoia and Alpinia native to America ?
Alpinia Alpinia is a genus of flowering plants in the ginger family, Zingiberaceae. It is named for Prospero Alpini, a 17th-century Italian botanist who specialized in exotic plants. Species are native to Asia, Australia, and the Pacific Islands, where they occur in tropical and subtropical climates. Several species are cultivated as ornamental plants. Species of the genus are known generally as shell ginger.
Leucaena Leucaena is a genus of flowering plants in the mimosoid clade of the subfamily Caesalpinioideae of the legume family Fabaceae. It contains about 24 species of trees and shrubs, which are commonly known as leadtrees. They are native to the Americas, ranging from Texas in the United States south to Peru. The generic name is derived from the Greek word λευκός ("leukos"), meaning "white," referring to the flowers.