Any plant of the genera Asclepias and Acerates, abounding in a milky juice, and having its seed attached to a long silky down; silkweed. The name is also applied to several other plants with a milky juice, as to several kinds of spurge. Its leaves are a favorite food source for the larvae of the monarch butterfly.
Asclepias tuberosa, a perennial herb that blooms with orange, red or yellow flowers. It is also called Butterfly Milkweed, Butterfly Weed, Chigger Flower, Pleurisy Root and Indian Paintbrush.
any of numerous plants of the genus Asclepias having milky juice and pods that split open releasing seeds with downy tufts
annual Eurasian sow thistle with soft spiny leaves and rayed yellow flower heads
a large family of plants containing a milky latex that are often poisonous. In North America, monarch butterflies have a choice of 108 different milkweed species on which to lay their eggs.
Milkweed (genus Asclepius) is a common plant that contains toxins (poisons). There are more than 100 species of this perennial herb, containing varying concentrations of toxic chemicals (glycosides). Monarch butterflies (and other milkweed butterflies) lay their eggs on milkweed leaves; the caterpillars eat milkweed leaves to incorporate the milkweed toxins into their bodies in order to poison their predators.