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Hemp Dogbane

Other names: Indian hemp
Life cycle: Perennial
Found in: Throughout the U.S.
General description: Erect plant that grows up to 6 feet tall.
Seedlings: Cotyledons are round and thick. Hypocotyl is purple. These plants emerge from a long horizontal rootstock and cotyledons are rare.
True leaves: Opposite, ovate, pointed at the tip and 2" to 5" long. Plants are more branched toward the top and secrete a milky sap when injured.
Flowers and fruit: Flowers are small, greenish-white, tubular and occur in clusters. Fruit is long,
narrow follicles produced in pairs. It reaches 5" or longer and turns reddish brown when it matures.

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