Flora of North America species comparison

much branched, pubescent, gland-dotted.

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

alternate;

petioles 2–5 mm;

blades 3-nerved from bases, oblong to broadly ovate, 6–15 × 5–9 mm, bases narrowly cuneate, margins irregularly dentate, apices acute to obtuse, faces sparsely pubescent, 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.

0.5–2.5 mm, glandular-viscid.

1–5 mm, tomentose.

cylindric, 6–8 mm.

cylindric to turbinate, 10–12 mm.

8–14;

corollas pale yellow-green, often purple-tinged, 4.8–5.7 mm.

20–24;

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

15–25 in 4–6 series, stramineous, 3–5-striate, unequal, (gland-dotted) margins scarious (apices obtuse to acute);

outer ovate, inner lanceolate.

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 (leafy) paniculiform or racemiform arrays.

(terminating elongate lateral branches) in paniculiform arrays.

2.5–3 mm, sparsely pubescent or strigose;

pappi of 24–28 tawny, barbellate bristles.

3.5–5 mm, hispidulous;

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

= 18.

= 18.