richweed
/ˈrɪtʃwiːd/North American
noun
1Clearweed, Pilea pumila.
2Horse-balm, Collinsonia canadensis.
3White snakeroot, Ageratina altissima (family Asteraceae), which contains a toxic alkaloid. Now rare.
- Ageratina altissima was formerly known as Eupatorium rugosum, E. ageratoides, or E. urticaefolium..
Origin
Mid 18th century (in an earlier sense). From rich + weed.
- -aster
- asterisk
- asterism
- astern
- asteroid
- asteroidal
- Asteroidea
- asteroseismological
- asteroseismologist
- asteroseismology
- as/that was
- as the case may be
- as the crow flies
- asthenia
- asthenic
- asthenosphere
- asthenospheric
- (as) thick as a brick
- (as) thick as poundies
- (as) thick as thieves
- (as) thick as two (short) planks (or as a plank)
- (as) thin as a rake
- asthma
- asthmatic
- asthmatically