Species of flowering plant
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Mentzelia pumila, (dwarf mentzelia, desert blazing star, blazing star, bullet stickleaf, golden blazing star, yellow mentzelia, evening star, moonflower, Wyoming stickleaf, etc.) is a biennial wildflower found in the western United States and northwestern Mexico from Montana and North Dakota, south to Sonora and Chihuahua. It is a blazingstar and a member of the genus "Mentzelia", the stickleafs; member species are also called "evening stars", but some stickleafs close at sunset, as does "M. pumila."
Leaves of "Mentzelia pumila" are long, very narrow, and serrated-pinnate-like; also medium to light grayish green; an individual plant in an opportune site can be 1.5– in height. The flowers are a bright, glossy medium yellow, and the major petals are variable, sometimes 5 major, 5 minor; also 4 and 4.
"Mentzelia pumila" is covered in minute elaborations known as trichomes, which pierce and trap insects that land on it. A species of aphid, "Macrosyphum mentzeliae" colonises the plant and is afforded protection, since its main predator, the ladybird beetle, is unable to avoid the trichomes.
Uses.
The root is a laxative. The Zuni people insert this plant into the rectum as a suppository for constipation. The plant is also used to whip children to make them strong so they could hold on to a horse without falling.
Footnotes.
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