Flora of North America species comparison

(ascending) branched, pubescent, sometimes glandular-pubescent.

branched from bases, puberulent, sparsely gland-dotted.

alternate;

petioles 4–10 mm;

blades 3-nerved from bases, rhombic-ovate, 10–40 × 10–20 mm, bases cuneate, margins laciniate-dentate, apices acute to obtuse, faces glabrate or gland-dotted.

alternate;

petioles 1–2 mm;

blades obscurely 3-nerved from bases, lanceolate to lance-ovate, 5–40 × 3.5–12 mm, bases acute to cuneate, margins usually coarsely dentate, sometimes entire, apices acute, faces gland-dotted.

5–40 mm, pubescent.

1–2 mm, puberulent, gland-dotted.

narrowly campanulate, 7–11 mm.

cylindric to campanulate, 7–11 mm.

16–17;

corollas cream, 6–7 mm.

13–20;

corollas pale green or yellow, 4.5–6.5 mm.

35–40 in 5–7 series, 3–5-striate, unequal, (glabrous, ± chartaceous) margins narrowly scarious (apices acute to acuminate);

outer ovate, inner lanceolate.

18–22 in 5–6 series, greenish or stramineous, 3–5-striate, unequal, margins scarious (apices acute to obtuse, ciliate);

outer ovate (glandular-pubescent), inner lanceolate (gland-dotted).

in dense, paniculiform arrays.

in (elongate) paniculiform arrays.

2–3 mm, pubescent;

pappi of 18–24 white, barbellate bristles.

3.5–4 mm, usually glabrous, rarely sparsely pubescent;

pappi of 30–35 tawny, usually barbellate, sometimes subplumose, bristles.

= 18.

= 18.