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Hybrid? There are three colonies of milkweed in this location. This observation is the colony on the east side. The colony in the center is showy milkweed with normal size flowers. The showy milkweed in the center colony has blue (not really blue but fuzzy) leaves, covered in thricomes. The leaves of the two stands on either side, west and east, have true green leaves with very few if any thricomes and small flower petals, hoods and horns. The plant I photographed is in the colony on the east side. The top eight ties of leaves all have a full flower umbel. Although the lower umbels are faded. The top flowers are full and fragrant. As far as I can tell they are healthy plants. Besides a few gardeners in the valley. I'm not aware of any other species of asclepias within a half mile.