Flora of North America species comparison

glabrous or sparsely floccose-tomentose when young.

glabrous (or with hairs on peduncles).

single or loosely clustered.

single (often purplish-tinged).

evenly distributed; petiolate;

blades narrowly triangular, (3–)4–10+ × 2–6 cm, bases usually ± truncate, sometimes tapered, margins usually dentate, rarely subentire (distal leaves subsessile, smaller).

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).

± 8;

corolla laminae 9–15 mm.

± 13+;

corolla laminae 10–14 mm.

(± 8) ± 13 (± 21), 6–10 mm, tips usually green, rarely black.

± 21, (8–)10–16 mm, tips green.

of 2–6 bractlets (rarely more than 2 mm).

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

10–30(–60) in corymbiform to subracemiform arrays.

nodding, 1(–2).

glabrous.

glabrous.

= 40, 80.