It is native to the Central Valley and foothills of the Sierra Nevada and Coast Ranges in California.[1] Its native habitats include open, grassy plains and slopes below 2,000 feet (610 m).[2]
Description
Growth pattern
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Leaves and stems
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Inflorescence and fruit
Flowers have 5 green sepals and 5 bell-shaped fused petals, which are blue-violet at the end, descending to purple spots over yellow throats, hence the three for "tri".[1]