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Chaetopappa hersheyi
''Chaetopappa hersheyi'' is a rare perennial plant species of plant called Hershey's cliff daisy, in the sunflower family. The epithet ''"hersheyi"'' honors the plant's discoverer, Alfred Hershey who collected it in 1944. It was formally described by Sidney Fay Blake in 1946.
Other vernacular names have been adapted to this plant including Guadalupe least daisy and Guadalupe lazy daisy. this name emerges from the fact that these plants are found in the Guadalupe Mountains in western Texas and southeastern New Mexico. Many of the populations lie inside Guadalupe Mountains National Park and the nearby Carlsbad Caverns National Park.〔(Biota of North America Program 2014 county distribution map )〕
==Description==
''Chaetopappa hersheyi'' grows to an average of about high, but have been recorded to up to , producing a single flower head. The stem has rigid and ascending hairs usually with 4–6 leaves on it. The leaves are spatulate or lance-shaped and spiny at the tip, they range from long and up to wide.〔 Composed of white ray florets and yellowdisk florets, the flower heads resembles those of the common or lawn daisy, ''Bellis perennis'', in color. They originally blossom a light bluish color, then fading to white when mature and finally drying maroon.〔
It is considered an herb because it lacks woody material when established.〔 Hershey's cliff daisy is a vascular, seed and flowering plant, this implies that these plants conduct water and minerals through the plant, and produce seeds and flowers. A type of simple, dry fruit is produced from this plant called an achene.〔〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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