Flora of North America species comparison

glabrous or sparsely floccose-tomentose when young.

(sometimes reddish-tinged, especially proximally) glabrous.

single or loosely clustered.

1–3 (arching upward).

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).

evenly distributed (proximal often withering before flowering); obscurely petiolate or sessile;

blades oblanceolate to lance-linear (sometimes with 1–2 lateral lobes), 2–4 cm × 3–5 mm, bases subdecurrent, weakly clasping, margins entire or wavy (often revolute).

± 8;

corolla laminae 9–15 mm.

± 8;

corolla laminae 5–10 mm.

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

± 13, 5–7(–8) mm.

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

of 3–5+ (inconspicuous) bractlets.

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

1(–4).

glabrous.

glabrous.

= 40, 80.