Single stem containing a milky sap which becomes branched in the upper half of the plant.
This species can be distinguished from the only other Rafinesquia species by the tips of the achene exceeding the body of the achene; pappus bristles wholly plumose, barbs straight, not tangled; shorter ray flowers surpassing phyllaries by 5-7mm.
Habitat
Prefers open places in sage scrub, chapparal, desert and woodlands. Often the first plant to establish after a fire.
Flower Characteristics
Each plant produces many white flowerheads. Floweheads have only ray flowers that are often rose-tinged on the underside.
Leaf and Stem Characteristics
Leaves are most numerous at the base with very few on the stems.
Fruit and Seed Characteristics
Smooth to hairy with a beak and bristles.
Seeds germinate more readily in the presence of burned wood.