Butterfly Weed Seeds (Asclepias tuberosa). A magnet for butterflies and other pollinators, Butterfly Weed (Asclepias tuberosa) is a North American perennial valued for its summer flowers in brilliant shades of orange to red. Also called Pleurisy Root in reference to its historic use in treating lung ailments, Thomas Jefferson included this species in a list of native medicinal plants in his book, Notes on the State of Virginia (1780s). Jefferson-documented: This plant was documented by Thomas Jefferson in his Garden Book,... - Butterfly Weed Seeds (Asclepias tuberosa). |