asclepias incarnata การใช้

• I was told it is swamp milkweed ( Asclepias incarnata ), but I checked some books, and swamp milkweed looks different.
• This species is sometimes cultivated in gardens designed to attract butterflies, but is less common than the light purple Swamp milkweed ( " Asclepias incarnata " ) or the orange Butterfly weed ( " Asclepias tuberosa " ).