Flora of North America species comparison

glabrous or moderately hirsute (branches spreading).

bluish green (heavily glaucous), blades lanceolate to elliptic (not lobed), leathery, bases attenuate, margins entire or remotely serrulate, apices acute, faces glabrous;

basal petiolate, 20–50 × 4–10 cm;

cauline petiolate or sessile, 10–25 × 2–8 cm.

blades lanceolate to broadly ovate or elliptic (not lobed), herbaceous, bases attenuate to cordate, margins usually entire or serrate, sometimes lacerate, apices acute, faces glabrous or hirsute to strigose;

basal petiolate, 5–30 × 1–8 cm;

cauline petiolate, 2–25 × 0.5–7 cm, bases attenuate to cordate or auriculate.

conic to columnar;

paleae 4–6.5 mm, apices acute, often attenuate, abaxial tips hairy.

hemispheric to ovoid;

paleae 2.5–4 mm, (apical margins usually ciliate) apices obtuse to acute, abaxial tips usually glabrous.

7–15;

laminae elliptic to oblong, 25–40 × 8–14 mm, abaxially hairy.

10–15;

laminae elliptic to oblanceolate, 15–25 × 3–6 mm, abaxially strigose.

250–400+;

corollas yellowish green, 3–4 mm;

style branches ca. 1 mm, apices acute.

50–500+;

corollas proximally yellowish green, brown-purple distally, 3–4.2 mm;

style branches ca. 1.3 mm, apices rounded.

to 1.5 cm.

to 2 cm.

borne singly or (2–10) in ± corymbiform arrays.

borne singly or (2–7) in corymbiform arrays.

4–5.5 mm;

pappi coroniform or of ± connate scales, to 1.2 mm.

2.2–4 mm;

pappi coroniform, to 0.2 mm.

15–35 × 14–22 mm.

12–16 × 10–18 mm.

= 36.