Kingdom Plantae Family Asteraceae Genus Ambrosia | Order Asterales Subfamily Heliantheae Rank Species | |
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Similar Ambrosia eriocentra, Ambrosia chenopodiifolia, Ambrosia salsola, Ambrosia pumila, Ambrosia grayi | ||
Ambrosia monogyra (singlewhorl burrobrush)is a North American species of plants in the sunflower family.
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Distribution
The plant is native to the southwestern United States (California, Arizona, New Mexico, Texas), and northern Mexico (Baja California, Baja California Sur, Chihuahua, Sinaloa, Sonora).
Habitats it is found in include California chaparral and woodlands in the Peninsular Ranges of Southern California and northern Baja California. The plant also grows in washes and ravines in desert areas.
Description
Ambrosia monogyra is a shrub up to 400 cm (160 inches) tall. Leaves are very thin and thread-like, sometimes divided into thread-like lobes.
The staminate flowers have translucent white corollas and the pistillate flowers are rounded, fruit-bearing structures.
The fruit is an achene with a single whorl of several papery wings.