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Definition of Asclepias tuberosa
1. Noun. Erect perennial of eastern and southern United States having showy orange flowers.
Exact synonyms: Butterfly Weed, Chigger Flower, Chiggerflower, Indian Paintbrush, Orange Milkweed, Pleurisy Root, Tuber Root
Generic synonyms: Milkweed, Silkweed
Generic synonyms: Milkweed, Silkweed