Flora of North America species comparison

erect and spreading, much branched.

erect and spreading.

blades rounded-deltate to reniform, 4–18 × 6–26 mm, margins of some or all toothed.

blades rounded-rhombic, 7–14 × 6–14 mm, margins entire (faces, at least abaxial, with straight, multicellular hairs 2–3+ mm).

1–28 mm.

4–20 mm.

turbinate, 6–9 mm.

narrowly cylindric, 7–9 mm.

10–21;

corollas yellow, often purplish at tips, 4–5 mm.

9–14;

corollas yellow, often purplish at tips, ca. 8 mm.

13–19, outer falling or persistent, 5–6, lanceolate to lance-linear, tips erect, inner falling, 8–13, lance-linear, tips erect.

ca. 13, outer persistent, 5, lanceolate, tips erect, inner falling, 8, lance-linear, tips erect.

2–3 mm;

pappi of 35–50, subequal bristles in 1 series, 1–4 mm.

4–5 mm;

pappi of ca. 150 subequal bristles in 2–4 series, 6–7 mm.

= 34.

= 34.