descurainia: includes annual or biennial herbs of America and Europe very similar to and often included among those of genera Sisymbrium or Hugueninia; not recognized in some classification systems
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination
streptokinase: an enzyme produced by some strains of streptococcus that can liquefy blood clots by converting plasminogen to plasmin; used medicinally in some cases of myocardial infarction and pulmonary embolism