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San Joaquin adobe sunburst

Pseudobahia peirsonii

Also called Tulare Psudobahia

San Joaquin adobe sunburst
Photo: Unknown author, CC0

San Joaquin adobe sunburst is a rare, federally threatened annual wildflower from California's San Joaquin Valley foothills, growing in heavy adobe clay soils. It is a wild species seldom grown in gardens, so it is best treated as a native plant for restoration rather than a cultivated ornamental.

Family
Asteraceae (Daisy family)
Grows as
Annual
Light
Full sun
Water
Relies on winter and spring rain; avoid summer irrigation in its native seasonal pattern.
Soil
Heavy clay adobe soil that stays wet in winter and dries in summer.
Temperature
Mediterranean climate, tolerating hot dry summers and cool wet winters; no specific cold limit documented.
How easy
Hard
Native range
California

About

Pseudobahia peirsonii is a rare species of flowering plant in the family Asteraceae known by the common names San Joaquin adobe sunburst and Tulare pseudobahia. It is endemic to California, where it is known from a few mostly small occurrences along the southeastern side of the San Joaquin Valley where it rises into the Sierra Nevada foothills. It grows in grassland and oak woodland habitat. It prefers heavy adobe clay soils. The plant became a federally listed threatened of the United States in 1997.

This species is an annual herb growing 20 to 70 centimeters tall. It has a thin coating of woolly hairs. The leaves are up to 6 centimeters long and are generally divided into a few leaflets which are subdivided into lobed segments.

Other Pseudobahia plants

Hartweg's golden sunburst · Foothill sunburst · Sunburst

Text excerpted from the Wikipedia article Pseudobahia peirsonii by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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