Are the Genii Sequoia and Alpinia native to America ?
Sequoia (genus) Sequoia is a genus of redwood coniferous trees in the subfamily Sequoioideae of the family Cupressaceae. The only extant species of the genus is "Sequoia sempervirens" in the Northern California coastal forests ecoregion of Northern California and Southwestern Oregon in the United States. The two other genera, "Sequoiadendron" and "Metasequoia", in the subfamily Sequoioideae are closely related to "Sequoia". It includes the largest trees in the world.
Selkirkia (plant) Selkirkia is a genus of flowering plants in the family Boraginaceae. Three species occur on the South American mainland and one, "Selkirkia berteroi" (sometimes written "berteri"), the first of the genus to be reported, is an endemic on Robinson Crusoe Island off the coast of Chile. It was previously considered a monotypic genus.