Asclepias Tuberosa (Butterfly Weed)

 This plant has a perennial, large, fleshy, white, fusiform root, from which numerous stems arise, growing from one to three feet high, which are more or less erect, round, hairy, green or red, and growing in bunches from the root.  The leaves are alternate, lanceolate, hairy, dark green above, and paler beneath.  The flowers are numerous, erect, and of a beautifully bright orange color.  The fruit is a long, narrow, green follicle.  Seeds are ovate, and terminate in long silken hairs.