Flora of North America species comparison

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

much branched, pubescent, 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 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.

5–40 mm, pubescent.

0.5–2.5 mm, glandular-viscid.

narrowly campanulate, 7–11 mm.

cylindric, 6–8 mm.

16–17;

corollas cream, 6–7 mm.

8–14;

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

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

outer ovate, inner lanceolate.

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

outer ovate, inner lanceolate.

in dense, paniculiform arrays.

in (leafy) paniculiform or racemiform arrays.

2–3 mm, pubescent;

pappi of 18–24 white, barbellate bristles.

2.5–3 mm, sparsely pubescent or strigose;

pappi of 24–28 tawny, barbellate bristles.

= 18.

= 18.