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.
- prophyllum
- propidium
- propination
- propine
- propinquant
- propinquate
- propinquent
- propinquitous
- propinquity
- propinquous
- propiolactone
- propiolic acid
- propionaldehyde
- propionamide
- propionate
- propione
- propionibacterium
- propionic acid
- propionic aldehyde
- propionitrile
- propionyl
- prop-iron
- propiska
- propitiable
- propitial