Adjective

• S: (adj) radical, basal (especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem) "basal placentation"; "radical leaves"
• S: (adj) basal, base (serving as or forming a base) "the painter applied a base coat followed by two finishing coats"
• S: (adj) basal, primary (of primary importance)