Flora of North America species comparison

glabrous (or with hairs on peduncles).

glabrous or with tufts of white hairs in leaf axils.

single (often purplish-tinged).

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

mostly basal;

petiolate (petioles ± winged, lengths 1–3+ blades);

blades broadly ovate to ovate-orbiculate, (1.5–)2.5–4.5(–6) × 1.5–4(–5) cm, bases truncate or tapered, margins weakly dentate or repand-denticulate to subentire (cauline leaves smaller, bractlike).

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).

± 13+;

corolla laminae 10–14 mm.

usually ± 8 or ± 13, rarely 0;

corolla laminae 8–10 mm.

± 21, (8–)10–16 mm, tips green.

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

of 3–5+ lanceolate to lance-linear bractlets (lengths 1/2–2/3 phyllaries).

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

nodding, 1(–2).

4–12 in loose, corymbiform arrays.

glabrous.

hairy.