Descurainia
noun
Des·cu·rain·ia
ˌdekəˈrānēə,
ˌdāk-
: a genus of annual or biennial herbs (family Cruciferae) of America and Europe differing from members of the genus Sisymbrium in having a pubescence of stellate or forked hairs and comprising the tansy mustards see tansy mustard
Word History
Etymology
New Latin, from François Déscourian †1740 French botanist + New Latin -ia