wild potato vine

Ipomoea pandurata

The root is so large and moisture-rich that it was historically used as a reliable water and food source during droughts, earning the name 'Man-of-the-Earth'.

Scientific name
Ipomoea pandurata
Taxonomy
Plantae › Tracheophyta › Magnoliopsida › Solanales › Convolvulaceae › Ipomoea
IUCN Red List status
Least Concern
Population trend
stable
Biome
forest
Habitat
Open deciduous forests, forest margins, rocky slopes, and dry upland fields.
Diet
Autotroph (Photosynthesis)
Range
Eastern United States, Central United States, Southern Ontario
Size
Climbing vines up to 9 meters; taproots can weigh over 13 kilograms.
Lifespan
Perennial (10-25 years)
Active
diurnal
Threats
Habitat fragmentation and intensive herbicide use in roadside and agricultural maintenance.
Safe to approach?
Harmless to touch. The massive tuber is edible only if cooked thoroughly; however, seeds contain ergoline alkaloids and are toxic if ingested. Avoid disturbing the soil around the delicate root crown.

Ipomoea pandurata , known as man of the earth , wild potato vine , manroot , wild sweet potato , and wild rhubarb , is a species of herbaceous perennial vine native to North America. It is a twining plant of woodland verges and rough places with heart-shaped leaves and funnel-shaped white flowers with a pinkish throat. The large tuberous roots can be roasted and eaten, or can be used to make a poultice or infusion. When uncooked, the roots have purgative...

Photo: Jim Duggan, CC-BY, via iNaturalist

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