stigˈma(a)rēə noun
Etymology: New Latin, from Latin stigma mark + New Latin -aria
1. capitalized : a form genus of Carboniferous plants based on elongated, cylindrical, and sometimes branched structures that have rounded depressions scattered over the surface and are generally conceded to be underground portions of lepidodendrids (as of the genera Sigillaria and Lepidodendron )
2. plural stigmariae also stigmarias : any plant or fossil of the genus Stigmaria
• stig·mar·i·an -ēən adjective or noun