direct sum
— Noun
– English
～ a union of two disjoint sets in which every element is the sum of an element from each of the disjoint sets
dwarf sumac
— Noun
– English
～ common nonpoisonous shrub of eastern North America with compound leaves and green paniculate flowers followed by red berries
desert sunflower
— Noun
– English
～ slender hairy plant with few leaves and golden-yellow flower heads; sandy desert areas of southeastern California to southwestern Utah and western Arizona and northwestern Mexico