||Apocynum cannabinum L.
||Erect perennial with large, ovate, and opposite leaves.
|| Cotyledons are round, oval, and thick. Young leaves are
opposite and smooth. Hypocotyl is usually purple. Cotyledons are rare since
plants usually emerge from rhizomes.
|True Leaves and Stem
|| Leaves are opposite and ovate with a pointed tip. Plants
are more branched in upper third and may exude a milky juice when injured.
Leaves are smaller than that of common milkweed.
||White, fleshy roots and rhizomes.
|Flower and Fruit
|| Greenish-white tubular flowers are found in clusters at
the end of the stems.