Bigroot Morningglory: Ipomoea pandurata
|Weed Description: A
perennial trailing or climbing vine from a large storage root that may reach 10 ft in
length. Found throughout the eastern United States, north to Ontario, Canada.
Seedling: The cotyledon attachment to the stem below the cotyledons (the hypocotyl) remains below ground.
|Leaves: Alternate, entire or
with indented sides, heart-shaped, with or without hairs, 4 inches long, 3.5 inches wide,
and on long petioles.
Stems: Trailing or climbing to 10 ft in length, with or without hairs.
Roots: Large, tuber-like root.
|Flowers: Produced on flower stalks
(peduncles) in clusters of 1-5. Flowers are white with a lavender or purple center, 2-3
Fruit: A capsule containing 2-4 dull reddish brown seed that are densely hairy around the margin.
|Identifying Characteristics: Large tuber-like root and white flowers with lavender or purple center should distinguish this weed from other morningglories with white flowers.|