frostweed
English edit
Etymology edit
frost + weed. Late in autumn, crystals of ice shoot from the cracked bark at the root.
Noun edit
frostweed (countable and uncountable, plural frostweeds)
- An American species of rockrose (Crocanthemum canadense, syn. Helianthemum canadense).
- Verbesina virginica (white crownbeard)