||Asclepias syriaca L.
||silk weed, wild cotton
||Perennial with erect stems and ovate leaves the exude a milky sap.
||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.
|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.