Scientific Name |
Asclepias syriaca L. |
Other Names |
silk weed, wild cotton |
Life Cycle |
perennial |
General Description |
Perennial with erect stems and ovate leaves the exude a milky sap. |
Seedlings |
Cotyledons are very rare to see since most plants emerge from perennial rhizomes. Cotyledons are oval and rounded at the tips.
|
True Leaves and Stem |
Leaves are opposite (may be whorled) and ovate with a waxy texture. A prominent midvein is found on the leaves. Stems tend to be hairy, unbranched, hollow, and erect.
Leaf size ranges from 7-20 cm long (much larger than hemp dogbane) and leaf margins are entire. |
Roots |
thick rhizomes |
Flower and Fruit |
Flowers in clusters (umbels)on the upper portion of the stem. The five-petal flowers
are pinkish-white in color and is on the end of slender, long stalk. Fruits are large green, hairy pods.
Pods can contain 200+ seeds each attached to a silky, white tuft of hair. |