''Ambrosia ambrosioides'', also known as canyon ragweed or chicura, is a
ragweed found in the deserts of northern
Mexico (
Baja California,
Baja California Sur
Baja California Sur (; 'South Lower California'), officially the Free and Sovereign State of Baja California Sur ( es, Estado Libre y Soberano de Baja California Sur), is the least populated state and the 31st admitted state of the 32 federal ent ...
,
Chihuahua Chihuahua may refer to:
Places
*Chihuahua (state), a Mexican state
**Chihuahua (dog), a breed of dog named after the state
**Chihuahua cheese, a type of cheese originating in the state
**Chihuahua City, the capital city of the state
**Chihuahua Mun ...
,
Durango
Durango (), officially named Estado Libre y Soberano de Durango ( en, Free and Sovereign State of Durango; Tepehuán: ''Korian''; Nahuatl: ''Tepēhuahcān''), is one of the 31 states which make up the 32 Federal Entities of Mexico, situated in ...
,
Sonora
Sonora (), officially Estado Libre y Soberano de Sonora ( en, Free and Sovereign State of Sonora), is one of the 31 states which, along with Mexico City, comprise the Administrative divisions of Mexico, Federal Entities of Mexico. The state is d ...
),
Arizona, and
California (
Ventura +
San Diego Counties).
[Flora of North America Vol. 21 Page 12 Ambrosia ambrosioides (Delpino) W. W. Payne, J. Arnold Arbor. 45: 410. 1964.]
/ref>
Growing as a shrub
A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...
from 1–2 meters high, its elongate, coarsely-toothed leaves range from 4–18 cm long and 1.5–4 cm wide. It is monoecious
Monoecy (; adj. monoecious ) is a sexual system in seed plants where separate male and female cones or flowers are present on the same plant. It is a monomorphic sexual system alongside gynomonoecy, andromonoecy and trimonoecy.
Monoecy is conne ...
, with both terminal and axillary raceme
A raceme ( or ) or racemoid is an unbranched, indeterminate type of inflorescence bearing flowers having short floral stalks along the shoots that bear the flowers. The oldest flowers grow close to the base and new flowers are produced as the s ...
s consisting of staminate heads occurring above their pistillate
Gynoecium (; ) is most commonly used as a collective term for the parts of a flower that produce ovules and ultimately develop into the fruit and seeds. The gynoecium is the innermost whorl of a flower; it consists of (one or more) ''pistils'' ...
counterparts. Flowering occurs mainly in February through April. The fruits are 10–15 mm burs covered with hooked spines.[
Somewhat similar in appearance to '']Ambrosia ilicifolia
''Ambrosia ilicifolia'' is a species of ragweed known by the common names hollyleaf burr ragweed and hollyleaf bursage.
It is native to the deserts and mountains of western Arizona, and the adjacent Sonoran Desert areas of southeastern Calif ...
'', ''A. ilicifolia'' has sessile leaves with a reticulate pattern of veins, and the marginal teeth developed into short spines.[
This ragweed can be found in sandy washes and other disturbed areas such as roadsides, and is sometimes seen growing in rock crevices.][
The ]Seri
Seri or SERI may refer to:
People
*Jean Michaël Seri, an Ivorian professional footballer Places
*Seri Yek-e Zarruk, Iran
*Seri, Bheri, Nepal
*Seri, Karnali, Nepal
*Seri, Mahakali, Nepal
*Seri, Raebareli, a village in Uttar Pradesh, India
Oth ...
people smoked its dried leaves, and used the roots to make medicinal teas and pigments.
Galls
This species is host to the following insect induced galls:
* '' Aceria ambrosioides '' Irregular leaf galls (see image)
* '' Aceria caborcensis '' Irregular leaf galls
left, ''Aceria ambrosioides'' galls
external link to gallformers
References
External links
Jepson Manual TreatmentCalphotos Photo gallery, University of California
ambrosioides
Flora of the Southwestern United States
Flora of Northwestern Mexico
Flora of Northeastern Mexico
{{Heliantheae-stub
