Asclepias curassavica is a species of milkweed native to the Americas. It is commonly known as tropical milkweed, bloodflower, or scarlet milkweed. The plant is a herbaceous perennial that grows up to 1-3 feet (30-90 cm) tall and has thin, upright stems with lance-shaped leaves. The flowers are bright orange-red and bloom in clusters from early summer to fall, attracting butterflies and hummingbirds.