Flora of North America species comparison

prostrate to ascending (often mat-forming, densely leafy distally), puberulent (in decurrent lines or throughout) or glabrate.

prostrate to erect, usually sparsely to densely puberulent (sometimes in decurrent lines), sometimes glabrate.

(bluish green) linear to linear-oblanceolate or narrowly oblong, 10–30 × 1.5–4 mm, margins with 2–5 pairs of setae 1–2 mm, faces glabrous (abaxial densely dotted with scattered, circular oil-glands 0.05–0.2 mm).

narrowly linear, 10–35 × 0.2–1.8 mm, margins with 1–5 pairs of setae 1–2 mm, faces glabrous (abaxial submarginally dotted with broadly elliptic to circular oil-glands 0.2–0.3 mm, sometimes with additional, scattered oil-glands).

1–5 mm.

filiform, (3–)7–35(–54) mm.

cylindric.

cylindric.

3(–4);

corollas 3–4 mm (scarcely surpassing phyllaries).

5;

corollas 3.5–5 mm.

(3–)7–14;

corollas 2.2–2.6 mm (2-lipped).

3–7;

corollas 2–3 mm (2-lipped).

coherent (falling together), oblong to oblong-obovate, 6–10 × 2–3 mm (dotted with scattered, elliptic oil-glands 0.05–0.15 mm).

distinct, linear-oblanceolate, 4–5 × 0.8–1 mm (dotted with 1–2 elliptic, subapical oil-glands 0.2–0.3 mm, sometimes with additional, smaller submarginal or scattered oil-glands).

borne singly or in congested, (leafy) cymiform arrays.

borne singly or in diffuse, cymiform arrays.

4–5.5 mm, puberulent (distally glandular-puberulent);

pappi of 2 (ray) and 5 (disc) lanceolate scales 1.5–3.5 mm.

2.5–3 mm, strigillose;

pappi of 0–5, antrorsely scabrid bristles or slender scales 1–2 mm plus 0–5 entire or irregularly lacerate scales 0.2–0.7 mm.

= 48.

= 48.