cuneate

adjective

(L. cuneatus: wedge-shaped) Narrowly triangular with the acute angle toward the base; wedge-shaped; tapering toward the point of attachment; in the form of a rounded isoscele triangle with the blunt end outermost; e.g. the wedge-shaped apical cell of hornworts and some thalloid liverworts, the base of the leaves of Vaccinium angustifolium. Cf. tetrahedral, dolabrate. Syn. cuneiform.