[frawst-weed, frost-] 
| a plant, Helianthemum canadense, of the rockrose family, native to eastern North America, having narrow leaves and a solitary yellow flower. |
| frostweed | |
noun | |
| 1. | 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 |
| 2. | tall perennial herb having clusters of white flowers; the eastern United States [syn: Virginia crownbeard] |
