stigmatiform,a.Nat.Hist.|stɪgˈmætɪfɔːm| [f. L. stigmat- stigma + -iform.] Having the form of a stigma (in sense 5 a, 5 c, or 6). 1843Humphreys Brit. Moths I. 111 An ovate black stigmatiform mark.1888Henslow Orig. Floral Struct. 292 The apex of the petal was green and stigmatiform.