Synonyms:
radical, basal
Meaning: 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"
Synonyms:
basal, primary
Meaning: of primary importance
Synonyms:
basal, base
Meaning: serving as or forming a base; "the painter applied a base coat followed by two finishing coats"