Original: Asclepias curassavica , commonly called Mexican Butterfly Weed , Blood-flower or Scarlet Milkweed , is a species of flowering plant in the dogbane family , Apocynaceae .
Simplified: Scarlet Milkweed ( Asclepias curassavica ) is a species of milkweed plant . It is also known as Mexican Butterfly Weed and Blood-flower .