Flora of North America species comparison

glabrous or with tufts of white hairs in leaf axils.

(unevenly purple-tinged, often glaucous) glabrous.

usually 1 (branching distally, unevenly reddish, usually somewhat lax).

1–(2–3).

evenly distributed;

petiolate (proximal) or sessile;

blades lanceolate to lance-linear, 3–10+ × (0.5–)1–2 cm, bases tapered (or auriculate), margins (sometimes revolute) unevenly dentate to subentire (mid and distal leaves similar, smaller, bases expanded, ± truncate to cordate, clasping).

progressively reduced distally;

petiolate;

blades ovate to oblanceolate, 4–8(–9+) × (2–)3–5 cm, bases tapered, margins dentate to incised-dentate (some denticles callous; mid leaves similar, smaller, ± clasping; distal leaves bractlike).

usually ± 8 or ± 13, rarely 0;

corolla laminae 8–10 mm.

0.

± 21, (4–)5–8 mm, tips often with minute black dots.

(± 5) ± 8, 3–4(–5) mm, tips green or brownish.

of 3–5+ linear to subulate bractlets (to 1.5 mm).

0 or of 1–3+ lance-deltate to lance-linear bractlets (mostly less than 1 mm).

4–12 in loose, corymbiform arrays.

25–60+ in cymiform clusters of 3–12.

hairy.

glabrous.

= 40.