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The butterfly weed or Asclepias tuberosa is a milkweed plant used for medicinal purposes.

Butterfly Weed

The butterfly weed or Asclepias tuberosa is a milkweed plant used for medicinal purposes.

This common butterfly is of a brown color, with black veins and wing borders.

Monarch Butterfly

This common butterfly is of a brown color, with black veins and wing borders.

The larva of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

Monarch Butterfly

The larva of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

A hanging larva of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

Monarch Butterfly

A hanging larva of the monarch. This common butterfly is of a brown color, with black veins and wing…

A hanging larva of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

Monarch Butterfly

A hanging larva of the monarch. This common butterfly is of a brown color, with black veins and wing…

A hanging larva of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

Monarch Butterfly

A hanging larva of the monarch. This common butterfly is of a brown color, with black veins and wing…

A pupa of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

Monarch Butterfly

A pupa of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

An egg of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

Monarch Butterfly

An egg of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

The mesothorax of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

Monarch Butterfly

The mesothorax of the monarch. This common butterfly is of a brown color, with black veins and wing…

The metathorax of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

Monarch Butterfly

The metathorax of the monarch. This common butterfly is of a brown color, with black veins and wing…

The abdomen of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

Monarch Butterfly

The abdomen of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

Any plant of the genus asclepias, of the milkweed family, so called from the milky juice that exudes from a wound.

Milkweed

Any plant of the genus asclepias, of the milkweed family, so called from the milky juice that exudes…

Pictured is a milkweed flower showing pollination. The pollen coheres into a waxy mass. The pollen-masses are usually twin (as at b), and the handle or caudicle lies in a chink on the side of the stigma.

Milkweed Flower

Pictured is a milkweed flower showing pollination. The pollen coheres into a waxy mass. The pollen-masses…