Flora of North America species comparison

purple-streaked.

usually not purple-streaked.

blades elliptic, lanceolate, linear, or oblanceolate, 7–150 mm, margins (basal leaves) lobed to toothed.

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

± ellipsoid to obconic, 4–9 × 4–9+ mm.

hemispheric, 4–18 × 4–15+ mm.

6–16;

laminae yellow, 1–4 mm.

5–18;

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

9–80;

corollas 2.5–4.5 mm;

anthers ± dark purple.

6–120+;

corollas 3.5–6 mm;

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

6–16, apices shorter than folded bases.

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

glabrous.

glabrous or sparsely hairy.

in 1 series between ray and disc florets.

in 1 series between ray and disc florets.

pappi of 10–16 white to rufous or purplish, ± equal bristles or setiform scales 2–4 mm, each proximally plumose, not adaxially woolly.

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).

= 16, 32.

= 14.