willow herb, name for several plants, among them the fireweed (see evening primrose).
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
More on willow herb from Fact Monster:
- fireweed - fireweed fireweed, any of several plants that spring up in fire-swept regions, especially the great ...
- evening primrose - evening primrose evening primrose, common name for the Onagraceae, a family of plants of worldwide ...
See more Encyclopedia articles on: Plants