skunk-weed
— Noun
– English
～ tall herb of the Rocky Mountains having sticky leaves and an offensive smell
scorpion weed
— Noun
– English
～ any plant of the genus Phacelia
soap-weed
— Noun
– English
～ tall arborescent yucca of southwestern United States
stemless golden weed
— Noun
– English
～ dark green erect herb of northwestern United States and southwestern Canada having stiff leaves in dense tufts and yellow flower heads; sometimes placed in genus Haplopappus
stinking weed
— Noun
– English
～ very leafy malodorous tropical weedy shrub whose seeds have been used as an adulterant for coffee; sometimes classified in genus Cassia
spotted Joe-Pye weed
— Noun
– English
～ North American herb having whorled leaves and terminal clusters of small pinkish or purple flower heads
styptic weed
— Noun
– English
～ very leafy malodorous tropical weedy shrub whose seeds have been used as an adulterant for coffee; sometimes classified in genus Cassia