Flora of North America species comparison

± erect.

erect to spreading or ascending.

(proximal usually alternate, sometimes opposite): blades linear, lanceolate, or ovate, 3–7 cm, usually 1–2-pinnately lobed, ultimate margins entire or toothed, revolute, abaxial faces white-woolly, adaxial glabrate (distal leaves usually similar).

blades obovate to spatulate, 7–20 mm, sometimes 3-lobed, ultimate margins entire, plane (apices ± rounded), faces ± woolly.

mostly 0–1(–1.5) cm.

1–3 cm.

campanulate, 2–3+ mm diam.

broadly campanulate, 4–6 mm diam.

0 or 6–9;

laminae yellow, 3–5 (× 2–3) mm.

5–10;

laminae usually cream or yellow, sometimes white with red veins, 3–4 mm.

30–40;

corollas 4 mm.

20–30;

corollas 2–3 mm (tubes cylindric, throats funnelform, gradually dilated, lobes glandular; anther appendages subulate, not glandular).

8–11, distinct (oblong, carinate, apices obtuse or acute).

5–10, distinct.

40–80+ per array.

usually borne singly.

3–4 mm;

pappi of 8–12 oblong or oblanceolate scales ca. 1 mm.

± 2 mm;

pappi usually of 6–10 ± oblong scales 0.4–0.8 mm, rarely 0.

= 30.

= 10 + 0–1 I or 0–3 B.