genus

Crucianella

Crucianella

Field notes

Crucianella (common name crossworts) is a genus of flowering plants in the family Rubiaceae. The species are annual herbs found from the Mediterranean to Central Asia and the Arabian Peninsula. One species (C. angustifolia) is naturalized in northern California, southern Oregon (Josephine County), and Idaho (Clearwater County).

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Range

United States

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

Key traits

From USDA PLANTS.

Top native Crucianella All

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