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Ionactis caelestis, the Spring Mountain aster, is a rare North American species in the sunflower family. It has been found only in southern Nevada in the western United States.
Description
Ionactis caelestis is a small perennial shrub up to 25 cm (9.8 in) tall, with a thick woody taproot. The plant usually produces several flower heads in a flat-topped array.
References
Ionactis caelestis Wikipedia(Text) CC BY-SA