Flora of North America species comparison

usually not purple-streaked.

blades lanceolate or oblanceolate to linear, 4–100(–120) mm, margins (basal leaves) toothed to pinnatifid.

hemispheric, 4–18 × 4–15+ mm.

5–18;

laminae yellow or proximally yellow and distally white, 3–21 mm.

6–120+;

corollas 3.5–6 mm;

anthers ± dark purple (in southwest of range, sometimes yellow or brownish).

5–18, apices often longer (sometimes shorter) than folded bases.

glabrous or sparsely hairy.

in 1 series between ray and disc florets.

pappi 0 or of 14–32 white to tawny, ± equal bristles or setiform scales 2–5 mm, each ± scabrous, usually not plumose and not adaxially woolly (in southwest of range, often proximally plumose and adaxially woolly).

= 14.