Flora of North America species comparison

± erect or spreading, branched ± throughout.

cauline; all or mostly opposite;

petiolate or sessile;

blades mostly ternately lobed (blades or lobes lanceolate to lance-linear), ultimate margins entire, faces sparsely to densely scabrellous (hairs white, straight, conic or fusiform, 0.1–0.4 mm) and gland-dotted.

lobes lanceolate to linear, 10–25+ × 1–3(–8) mm, faces ± canescent-scabrellous and gland-dotted.

turbinate or obconic to ± hemispheric, 5–6+ mm diam.

broadly turbinate to hemispheric, 5–6+ × 6–9+ mm.

± convex, ± pitted, epaleate.

3–8, pistillate, fertile;

corollas usually yellow, sometimes ochroleucous.

3–5(–6);

corollas pale yellow, laminae 3–5 mm.

20–40+, bisexual, fertile;

corollas yellow to orange (gland-dotted), tubes about equaling funnelform to campanulate throats, lobes 5, deltate to lance-deltate.

30–60+;

corollas 3.5–5 mm.

persistent, 6–10 in 1–2 series (reflexed in fruit, distinct, oblanceolate, subequal, herbaceous, margins membranous, not purplish).

radiate, borne singly or (3–6) in loose, corymbiform arrays.

narrowly obpyramidal, 4-angled, finely nerved, shaggily hairy (at least at bases) and/or gland-dotted;

pappi persistent, of 8–10 (distinct) ovate or elliptic to lanceolate or linear-subulate (basally and/or medially thickened, distally and/or laterally scarious) scales in 1 series (weakly, if at all, aristate).

3–5 mm, usually gland-dotted, seldom hirsutulous;

pappus scales usually ovate or elliptic to obovate, sometimes lanceolate, 0.5–1.5 mm.

= 12.

= 48.