Flora of North America species comparison

not purple-streaked.

usually not purple-streaked.

blades oblanceolate or lanceolate to linear, 6–110 mm, margins (basal leaves) 1–2-pinnatifid.

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

± hemispheric, 5–12 × 2–12+ mm.

hemispheric, 4–18 × 4–15+ mm.

3–14;

laminae yellow or white, 3–26 mm.

5–18;

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

7–120+;

corollas 3–6 mm;

anthers yellow to brownish.

6–120+;

corollas 3.5–6 mm;

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

4–14, apices shorter or longer 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 0 or of 1–22 whitish, ± equal, setiform scales 1.5–3.5 mm, each proximally plumose, seldom 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).

= 14.