frostweed
- n perennial of the eastern United States having early solitary yellow flowers followed by late petalless flowers; so-called because ice crystals form on it during first frosts
- n tall perennial herb having clusters of white flowers; the eastern United States
- Why spend money and energy to save, say, the frostweed or the small whorled pogonia? Medical benefits alone, says Thibodeau, could justify the center's efforts: "Well over a .