Ambrosia ambrosioides

Common Name: Canyon Ragweed, Ambrosia Leaf Bur Ragweed
Oˊodham Name: Ñuñui Je:j Audio
Group: Shrubs － Desert (usually washes)

Description

Ambrosia ambrosioides is the largest of the ragweeds in the Sonoran Desert. It grows in wash bottoms and along wash banks where the soil is moist much of the year. The unusually long, wrinkled triangular leaves produce an irritating smell when rubbed or crushed. The plant may reach 5 feet tall and wide and grows at 1500 to 4500 ft elevation. Also see Ambrosia deltoidea.

entire plant
branches
leaves
leaf

Classification

Kingdom Plantae － Plants

Subkingdom Tracheobionta － Vascular plants

Superdivision Spermatophyta － Seed plants

Division Magnoliophyta － Flowering plants

Class Magnoliopsida － Dicotyledons

Subclass Asteridae

Order Asterales

Family Asteraceae － Aster family

Genus Ambrosia L. － ragweed

Species Ambrosia ambrosioides (Cav.) Payne － ambrosia leaf bur ragweed

More Information

USDA Plant Profile and Map