Northern Prairie Wildlife Research Center
Southern Wetland Flora
Field Office Guide to Plant Species
Ipomoea purpurea (L.) Roth
- Family: Morning-glory (Convolvulaceae)
- Flowering: July-October
- Field Marks: The distinguishing characteristics of this morning-glory are its purple flowers, its
usually unlobed heart-shaped leaves, and 3 stigmas per flower.
- Habitat: Old fields, along roads, moist to dry thickets.
- Habit: Twining perennial herb with thickened roots.
- Stems: Twining or trailing, densely hairy, up to 10 feet tall.
- Leaves: Alternate, simple, ovate, pointed at the tip, heart-shaped at the base, without teeth,
sometimes 3-lobed, hairy, up to 4 inches long, nearly as wide.
- Flowers: 1-5 from the axils of the leaves, on hairy stalks.
- Sepals: 5, green, free nearly to the base, short-hairy, up to 2/3 inch long.
- Petals: 5, usually blue or purple, united to form a tubular funnel up to 2 1/2 inches long.
- Stamens: 5.
- Pistils: Ovary superior; stigmas 3.
- Fruits: Capsules spherical or flattened on top, up to 1/2 inch in diameter, shorter than the
sepals; seeds dark brown.
- Notes: This species is native in tropical America.
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