Flora of North America species comparison

branched, puberulent, gland-dotted.

much branched from near bases, tomentose, gland-dotted.

alternate;

petioles 10–50 mm;

blades 3-nerved from bases, deltate or rhombic-ovate, 50–100 × 20–50 mm, bases acute to truncate, margins crenate or coarsely dentate, apices long-acuminate, abaxial faces sparsely villous, gland-dotted, adaxial faces glabrous or sparsely pubescent, often gland-dotted.

alternate;

petioles 0–1 mm;

blades obscurely 3–5-nerved from bases, ovate to cordate, 7–11 × 3–8 mm, bases rounded to subcordate, margins dentate-serrate, apices obtuse, faces tomentose, gland-dotted.

4–6 mm, puberulent, sparsely gland-dotted.

1–5 mm, tomentose.

cylindric to campanulate, 7–10 mm.

cylindric to turbinate, 10–12 mm.

13–20;

corollas yellowish, 5.3–6.5 mm.

20–24;

corollas pale yellow or cream, often purple-tinged, 6.2–7.5 mm.

22–26 in 4–7 series, 3–5-striate, unequal, margins scarious (apices obtuse to acute);

outer ovate to lanceolate (often purple-tinged, glabrous or puberulent), inner linear to oblong (greenish, glabrous).

30–38 in 6–7 series, greenish, often red- or purplish-tinged, 3–6 striate, unequal, (recurved, tomentose, gland-dotted) margins scarious (ciliate, apices acute to acuminate);

outer lance-ovate, inner lanceolate.

in paniculiform arrays.

(terminating elongate lateral branches) in paniculiform arrays.

2–2.5 mm, sericeous;

pappi of 26–32 white, barbellate bristles.

3.5–5 mm, hispidulous;

pappi of 18–24 white or tawny, barbellate bristles.

= 18.

= 18.