Flora of North America species comparison

erect, usually strigose or hispid to glabrate.

(reddish or purplish) erect, hairy.

cauline; opposite or alternate;

sessile;

blades (green or grayish, 1- or 3-nerved) lanceolate, 5–9 × 0.5–3.5 cm, bases ± cuneate, margins entire or irregularly toothed to lobed, faces strigose to strumose, gland-dotted (adaxial sometimes glaucous).

cauline; all or mostly opposite;

petioles 0–3 cm;

blades (1- or 3-nerved) lanceolate to lance-ovate, 5–11 × 2–3.5 cm, bases cuneate, margins entire or serrate, abaxial faces hispid, gland-dotted.

4–13 cm.

2.5–30 cm.

hemispheric, 10–24 mm diam.

hemispheric, 13–20 mm diam.

14–20;

laminae ca. 8–11 mm.

13–21;

laminae 15–25 mm (abaxial faces gland-dotted).

40+;

corollas 4.8–5.8 mm, lobes reddish;

anthers purplish, appendages reddish (style branches yellow).

50+;

corollas 5–6 mm, lobes reddish;

anthers reddish brown, appendages yellow or dull orange (style branches yellow).

16–21, lanceolate, 6–7.5 × 1.8–2.5 mm (often subequal), (margins ciliate) apices acute, abaxial faces hispidulous or strigose to glabrate, gland-dotted.

20–25, lanceolate, 4–8 × 1.5–3 mm, (margins ciliate) apices acute, abaxial faces hispidulous, gland-dotted.

1–9.

1–5.

2.7–3.5 mm, glabrate;

pappi of 2(–3) aristate scales 1.4–2.5 mm.

3–4 mm, glabrate;

pappi of 2 aristate scales 2.5–3 mm.

7–7.8 mm, entire or 3-toothed (apices obtuse to acute, hispid-ciliate to glabrate).

8–9 mm, subentire to weakly 3-toothed (apices acute, ciliate, gland-dotted).

= 34.

= 34.