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Asclepias curassavica / Red Top; Scarlet Milkweed Cynanchum angustifolium / Gulf Coast Swallowwort Calotropis gigantea / French Cotton; Giant Milkweed Sarcostemma clausum / White Twine Vine Spigelia anthelma / Loggerhead Weed; Pink Weed, Worm
The juice the larvae consume in these plants contains poisonous glycosides, that will later on make the butterfly distasteful to birds.
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