Baccharis sarothroides
Encyclopedia
Baccharis sarothroides is a species of flowering shrub
Shrub
A shrub or bush is distinguished from a tree by its multiple stems and shorter height, usually under 5–6 m tall. A large number of plants may become either shrubs or trees, depending on the growing conditions they experience...

 known by the common names broom baccharis and desert broom in English and "escoba amarga" or "romerillo" in Spanish. This is a spreading, woody shrub usually sticky with glandular secretions along the primarily leafless green stems
Plant stem
A stem is one of two main structural axes of a vascular plant. The stem is normally divided into nodes and internodes, the nodes hold buds which grow into one or more leaves, inflorescence , conifer cones, roots, other stems etc. The internodes distance one node from another...

. The small, thick leaves are a few centimeters long and are absent much of the year, giving the shrub a spindly, twiggy appearance. It flowers abundantly with tiny green blooms on separate male and female plants.

Native to the Sonoran Desert
Sonoran Desert
The Sonoran Desert is a North American desert which straddles part of the United States-Mexico border and covers large parts of the U.S. states of Arizona and California and the northwest Mexican states of Sonora, Baja California, and Baja California Sur. It is one of the largest and hottest...

 of northern Mexico
Mexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

 and the Southwestern United States, it is common in gravelly dry soils and disturbed areas.

Uses

The Seri refer to desert broom as cascol caaco, and make a decoction
Decoction
Decoction is a method of extraction, by boiling, of dissolved chemicals, or herbal or plant material, which may include stems, roots, bark and rhizomes. Decoction involves first mashing, and then boiling in water to extract oils, volatile organic compounds, and other chemical substances...

 by cooking the twigs. This tea is used to treat colds, sinus headache, and general sore achey ailments. The same tea is also be used as a rub for sore muscles.

Studies done on plant extracts show that desert broom is rich in leutolin, a flavonoid
Flavonoid
Flavonoids , are a class of plant secondary metabolites....

 that has demonstrated anti-inflammatory, antioxidant, and cholesterol
Cholesterol
Cholesterol is a complex isoprenoid. Specifically, it is a waxy steroid of fat that is produced in the liver or intestines. It is used to produce hormones and cell membranes and is transported in the blood plasma of all mammals. It is an essential structural component of mammalian cell membranes...

 lowering capabilities. Desert broom also has quercetin, a proven antioxidant
Antioxidant
An antioxidant is a molecule capable of inhibiting the oxidation of other molecules. Oxidation is a chemical reaction that transfers electrons or hydrogen from a substance to an oxidizing agent. Oxidation reactions can produce free radicals. In turn, these radicals can start chain reactions. When...

, and apigenin
Apigenin
Apigenin is a flavone that is the aglycone of several glycosides. It is a yellow crystalline solid that has been used to dye wool. Apigenin may contribute to the chemopreventive action of vegetables and fruits...

a chemical which binds to the same brain receptor sites that Valium does. However many members of the Sunflower family also contain compounds that cause negative side effects, thus caution is advised until this plant is more extensively tested.

Planting and Care

Most people try to get rid of this plant, but it will grow in heavy clay or saline soils. The tall, bushy shrub has green stems and twigs and highly reduced leaves. It will accept shearing and can be trained into a decent, short-lived privacy hedge, useful while the longer-lived, taller, but slower growing Arizona rosewood gets established. Plants may be purchased at nurseries planted in place. Avoid overwatering in heavy soils as desert broom will drown.

External links

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