alligatorwood altingiaceae america american autumn balls bilsted branch close close-up close-ups closeup closeups cluster clusters compound cultivar cultivars deciduous fall flora fruit fruits gum hazel immature leaf leaves liquidambar nature north of paarl pine plant plants redgum satin-walnut spiny star-leaved States storax styraciflua sweetgum tree trees twig U.S.A U.S.A. United up ups us usa