Close-up of Butterfly Weed (Ascelpias tuberosa) umbel, with one flower open admist a group of unopened buds . In the Milkweed Family, but lacking milky sap. Host plant for Monarch butterfly. Common name comes from the brilliantly colored flowers, which attract many species of butterflies. Native to North America. Also called Pleurisy-Root. Blooms from early summer to early fall.
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