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An extremely hardy, long-lived perennial native to North America. The magnificent bright orange flowers are concentrated in compact clusters at the top of branching stems. The flowers produce a large quantity of nectar which attracts butterflies throughout the growing season. photo   Genus: Asclepias (milkweeds) Family: Apocynaceae (dogbane) Order: Gentianales (gentianales) Class: Magnoliopsida (Dicots) Phylum/Division: Magnoliophyta (Flowering plants) Kingdom: Plantae (Plants) |