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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Tonestus peirsonii

Tonestus peirsonii (D.D. Keck) G.L. Nesom & D. Morgan

Peirson's Serpentweed

Asteraceae (Aster Family)

Synonym(s): Haplopappus eximius ssp. peirsonii, Haplopappus peirsonii


USDA Native Status: L48 (N)


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Plant Characteristics

Duration: Perennial
Habit: Herb , Subshrub
Size Notes: Up to about 8 inches tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Yellow
Bloom Time: Jun , Jul , Aug



Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

USDA: Find Tonestus peirsonii in USDA Plants
FNA: Find Tonestus peirsonii in the Flora of North America (if available)
Google: Search Google for Tonestus peirsonii


Record Modified: 2019-05-17
Research By: CBR

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