Flora of North America species comparison

erect, hispid or strigose.

erect, sparsely hispid.

cauline; opposite;

petioles 0.4–3 cm;

blades (ashy green, usually 3-nerved from bases) lanceolate to ovate, 4–15 × 1–5 cm, bases ± cuneate to truncate, margins entire or serrate, faces strigoso-hispid, gland-dotted.

mostly cauline; mostly alternate;

petioles 1.2–5 cm;

blades ovate to lance-ovate, 4.5–13 × 1–4 cm, bases cuneate, margins entire, abaxial faces sparsely hispid, not gland-dotted.

0.5–5.5 cm.

4–9 cm.

cylindric, 7–14 mm diam.

hemispheric, 20–27 mm diam.

8–13;

laminae 15–20 mm (abaxial faces gland-dotted).

7–12;

laminae 18–37 mm.

30+: corollas 5–6 mm, lobes yellow;

anthers dark brown to black, appendages dark.

25+;

corollas 6.8–7.5 mm, lobes reddish;

anthers dark, appendages dark (style branches reddish).

15–25 (loosely appressed), lanceolate to ovate, 3.5–7.5 × 2–3.5 mm, apices acute to acuminate, abaxial faces ± hispid or strigose (hairs whitish), gland-dotted.

11–23, laceolate to lance-linear or lance-ovate, 17–33 × 1–2.9 mm (notably surpassing discs), (margins ± ciliate) apices attenuate, abaxial faces usually sparsely hispid to hispidulous.

1–6.

usually borne singly.

3–4 mm, sparsely hairy;

pappi of 2 aristate scales 4–4.5 mm plus 0–4 deltate scales 0.5–1 mm.

4.6–9 mm, appressed hairy;

pappi of 2 linear scales 2–4.5 mm plus 4–6 scales 1–3.5 mm.

7–8 mm, entire or ± 3-toothed (apices acute to acuminate, hispid).

7–8 mm, apices 3-toothed (middle teeth attenuate, apices purplish, ± hispid).

= 34.

= 34.