Sisymbrium officinale
— Noun
– English
~ stiffly branching Old World annual with pale yellow flowers; widely naturalized in North America; formerly used medicinally
Sisymbrium barbarea
— Noun
– English
~ noxious cress with yellow flowers; sometimes placed in genus Sisymbrium
Sisyphean
— Adjective
– English
~ both extremely effortful and futile