genus

Diodia

Diodia

Field notes

Diodia (or buttonweed) is a genus of flowering plants in the family Rubiaceae. It was described by Carl Linnaeus in 1753. The genus is found from southern and eastern United States, South America, Central America, Mexico, the West Indies and tropical Africa.

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Range

United States

Greener is more native, amber more introduced; paler is less certain. How this was decided

Key traits

Layer
Vines

From USDA PLANTS.

Top native Diodia All

Native to the US, ranked by caterpillars, then bees and other hosts, food, flowers and shelter.