Flora of North America species comparison

erect, usually hispid to ± hirsute.

erect, (unbranched) glabrous, eglandular.

mostly basal; mostly opposite;

petioles 0–3 cm (broadly winged);

blades (3-nerved distal to bases) ovate or lanceolate to spatulate, 6–28 × 1.2–4.3 cm, bases cuneate, margins entire (often revolute), abaxial faces hispid to ± hirsute, not gland-dotted (cauline leaves relatively few, narrowly lanceolate to linear, much smaller).

mostly basal; opposite (proximal) or alternate;

petioles obscure (intergrading with blades);

blades lanceolate to lance-linear or linear, 10–25 × 0.5–1.5 cm, bases cuneate, margins entire, faces glabrous, not gland-dotted (cauline 1–5 pairs, smaller).

10–15 cm.

5–10 cm.

broadly hemispheric, 15–25 mm diam.

broadly hemispheric, 17–25 mm diam.

12–18;

laminae 14–36 mm (abaxial faces not gland-dotted).

12–17;

laminae 20–40 mm, (abaxial faces not gland-dotted).

100+;

corollas 5.5–6.5 mm, lobes reddish;

anthers purplish, apendages purplish (style branches usually reddish).

100+;

corollas 6–6.5 mm, lobes yellow;

anthers dark, appendages yellowish or dark.

24–30, lanceolate to lance-ovate, 8–13 × 2–5 mm, (margins sometimes ciliate) apices acute to short-acuminate or acuminate, abaxial faces sparsely hispid to glabrate.

(green with purple veins) 25–30, ovate to lance-ovate, 8–16 × 3–5 mm, apices acuminate, abaxial faces usually glabrous, sometimes puberulent.

1–3(–5).

1(–3).

4–5 mm, glabrate;

pappi of 2 aristate scales 1.7–2.5 mm plus 1–3 deltate scales 0.5–1.5 mm.

3 mm, glabrous;

pappi of 2 aristate scales 1.5–2 mm plus 2–4 erose scales 0.3–0.6 mm.

7–9 mm, 3-toothed (apices purplish).

8–9 mm, 3-toothed (middle teeth long-acuminate).

= 34.

= 34.