frostweed

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English

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Verbesina virginica
Helianthemum nummularium
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Etymology

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From frost +‎ weed. Late in autumn, crystals of ice shoot from the cracked bark at the root.

Noun

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frostweed (countable and uncountable, plural frostweeds)

  1. An American species of rockrose (Crocanthemum canadense, syn. Helianthemum canadense).
  2. Verbesina virginica (white crownbeard)

Synonyms

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