Flora of North America species comparison

and branches often sparsely appressed-hairy, stipitate-glandular distally, occasionally proximally.

and branches often sparsely appressed- or erect-hairy, stipitate-glandular, more densely distally.

hemispheric, 4–5 mm.

hemispheric, 5–8 mm.

flat to convex, 1.8–4 mm wide.

flat to convex, 4–6 mm diam.

20–40;

laminae 5–9 × 0.5–1 mm.

30–70;

laminae 7–14 × 1–1.5 mm.

40–75;

corollas 2–3.5 mm.

50–150;

corollas 2.5–4.5 mm.

unequal;

outer oblong to narrowly elliptic to lanceolate, 2–2.5 × 0.6–0.9 mm, mostly herbaceous, bases inconspicuously indurate, scarious margins absent or obscured by stipitate glands;

inner oblanceolate to lanceolate or linear-lanceolate, 3–5 × 0.7–1 mm, bases indurate, margins scarious.

lanceolate to linear-lanceolate, equal or slightly unequal, 4–7 × 0.7–1.2 mm;

outer often mostly herbaceous (bases inconspicuously indurate), scarious margins absent or obscured by stipitate glands;

inner: bases indurate, margins scarious.

1.2–2.2 mm, sparsely appressed-hairy;

pappi 30–45, 1.5–3 mm.

1.2–2.5 mm, sparsely to densely appressed-hairy;

pappus bristles 40–50, 2.5–4 mm.

1–1.8 mm, sparsely appressed-hairy.

1.2–2 mm, sparsely to densely appressed-hairy.

leaf blades lanceolate to narrowly elliptic or linear, smallest 2.5–5 × 0.7–1.5 mm, bases cuneate to slightly cordate, sometimes slightly clasping.

leaf blades ovate to lanceolate, smallest 5–12 × 2–6 mm, bases cordate to auriculate, clasping.

= 8.

= 8 (Mexico).