genus

Olneya

Olneya

Field notes

Olneya tesota is a perennial flowering tree of the family Fabaceae, legumes (peas, beans, etc.), which is commonly known as ironwood, desert ironwood, or palo fierro in Spanish. It is the only species in the monotypic genus Olneya. This tree is part of the western Sonoran Desert in Mexico and United States.

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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
Trees

From USDA PLANTS.

Top native olneya All

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