Meaning of butterfly weed

but'terfly weed"

Pronunciation: [key]
  1. Also calleda North American milkweed, Asclepias tuberosa, having clusters of bright orange flowers.
  2. an erect North American plant, Gaura coccinea, of the evening primrose family, having wandlike spikes of white to pink flowers turning red with age.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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