Asclepias
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Asclepias is a genus of herbaceous, perennial, flowering plants known as milkweeds, named for their latex, a milky substance containing cardiac glycosides termed cardenolides, exuded where cells are d
Danaus plexippus on Asclepias incarnata 4999
A monarch butterfly on swamp milkweed
Asclepias syriaca seed pods, upper image from August and lower from December
Milkweed sprout, a few days after sowing
Asclepias tuberosa
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Asclepias tuberosa, commonly known as butterfly weed or pleurisy root, is a species of milkweed native to eastern and southwestern North America. It is commonly known as butterfly weed because of the
Asclepias
…purpurascens both now regarded as A. purpurascens, A. variegata, A. nivea, A. incarnata, A. curassavica, A. decumbens and A. tuberosa both now regarded as A. tuberosa, A. verticillata and A. rubra. Members of the genus produce some of the most complex flowers in the plant kingdom, comparable to orchids in complexity…
Asclepias tuberosa interior
Illustration showing details of plant.
Entire plant from the ground to the flower
Young stems during spring