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Purpuric agave dermatitis is a skin condition caused by Agave americana, a large, thick, long-leaved, subtropical plant.
Agave americana, commonly known as the century plant, [5] maguey, or American aloe, [6] is a flowering plant species belonging to the family Asparagaceae. It is native to Mexico and the United States, specifically Texas.
Agave (/ ə ˈ ɡ ɑː v i /; also UK: / ə ˈ ɡ eɪ v i /; [3] Anglo-Hispanic, also US: / ə ˈ ɡ ɑː v eɪ /) [4] is a genus of monocots native to the arid regions of the Americas.The genus is primarily known for its succulent and xerophytic species that typically form large rosettes of strong, fleshy leaves.
The white maguey worms, known as meocuiles, are caterpillars of a butterfly commonly named "tequila giant skipper," Aegiale hesperiaris. [4] [unreliable source?Aegiale hesperiaris is found usually in regions of Central Mexico, on the leaves of Agavaceae plants, such as Agave tequilana and Agave americana (maguey).
There are 159 species of maguey all over Mexico, although the most important are Agave americana, A. atrovirens, A. mapisaga and A. salmiana. [4] The plant blooms once it reaches its peak ripening stage, between 7 and 15 years of age. [3] The enormous stem sprouts from its center, which can reach up to 10 m.
In 1886, Adolf Mayer first described the tobacco mosaic disease that could be transferred between plants, similar to bacterial infections. [4] [5] In 1892, Dmitri Ivanovsky gave the first concrete evidence for the existence of a non-bacterial infectious agent, showing that infected sap remained infectious even after filtering through the finest Chamberland filters.
A parasite called Heterobilharzia americana, a flatworm commonly referred to as liver fluke, was behind the illness of the 11 dogs. The parasite normally makes its home in Texas and in the South.
It usually is found in regions of central Mexico, on the leaves of family Agavaceae plants, such as: Agave tequilana and Agave americana (maguey). They are not found on cacti, as is often erroneously reported. The butterflies deposit their eggs at the heart of the leaves of agaves.