comb. form of L. vagus VAGUE a., occurring in a few botanical terms, as va·giform, vagine·rvose adjs. (see quots.).
1859. Mayne, Expos. Lex., Vagiformis, applied by de Candolle to leaves of cellular plants when their false nervures are dispersed without order or regularity; vagiform.
1866. Treas. Bot., 1199. Vaginervose, having the veins arranged without any order.