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Ambrosia ilicifolia is a small, matted shrub under 1 metre (3.3 ft) in height. Its stiff, straight branches are green, glandular, and leafy when young, and light gray and leafless when older. The holly-like leaves are leathery but brittle, oval-shaped to rounded, and edged with spine-tipped teeth. They are green, veiny and sticky with resin.
Ambrosia ambrosioides (Cav.) W.W.Payne – ambrosia-leaf bur ragweed, big bursage, ambrosia bursage; Ambrosia arborescens Mill. – marko, altamisa; Ambrosia artemisiifolia L. – common ragweed, short ragweed, Roman wormwood; Ambrosia artemisioides Meyen & Walp. Ambrosia bidentata Michx. – lanceleaf ragweed, southern ragweed; Ambrosia ...
hollyleaf burr ragweed (Ambrosia ilicifolia) hollyleaf bursage (Ambrosia eriocentra) Hopi tea greenthread (Thelesperma megapotamicum) Irish lace (Tagetes filifolia) Jersey cudweed (Pseudognaphalium luteoalbum) Kellogg's tarweed (Hemizonia kelloggii) lavender cotton (Santolina chamaecyparissus) laxflower (Baileya pauciradiata) leafy marshtail ...
Somewhat similar in appearance to Ambrosia ilicifolia, A. ilicifolia has sessile leaves with a reticulate pattern of veins, and the marginal teeth developed into short spines. [2] This ragweed can be found in sandy washes and other disturbed areas such as roadsides, and is sometimes seen growing in rock crevices. [2]
Common ragweed, Ambrosia artemisiifolia, is a widespread invasive species, and can become a noxious weed, that has naturalized in Europe; temperate Asia and the Indian subcontinent; temperate northern and southern Africa and Macaronesia; Oceania in Australia, New Zealand, and Hawaii; and Southwestern North America in California and the ...
This category contains the native flora of Arizona as defined by the World Geographical Scheme for Recording Plant Distributions.Taxa of the lowest rank are always included; taxa of higher ranks (e.g. genus) are only included if monotypic or endemic.
Ambrosia confertiflora is native to much of northern Mexico (from Sonora to Tamaulipas) and the southwestern United States from California east as far as Kansas, Oklahoma, and central Texas. [5] It is also naturalized in various other regions, and has been declared a noxious weed in Australia [6] [7] [8] and in Israel. [9] It grows in disturbed ...
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