Flora of North America species comparison

glabrous.

closely lanate to floccose-tomentose, unevenly glabrescent.

1–(2–4).

usually single, rarely clustered.

(thickish-turgid) progressively reduced distally; petiolate;

blades broadly lanceolate to subelliptic, 2.5–15 × 1–5 cm, bases tapered, margins sharply dentate to subentire (some teeth callous; mid leaves sometimes larger than proximal; distal leaves sessile, smaller, often clasping).

reduced distally; obscurely petiolate;

blades oblanceolate to lanceolate, (4–)6–12+ × (1–)1.5–3 cm, bases tapering to winged petioles, margins dentate to denticulate (denticles dark, cartilaginous; mid and distal leaves smaller, bractlike).

± 8 or ± 13;

corolla laminae 5–12 mm.

usually ± 5, sometimes 0;

corolla laminae 5–8(–10) mm.

(± 8) ± 13 or ± 21, 5–9 mm, tips black (villous).

± 13, 3–5 mm, tips usually black.

of (1–)3–6 linear to filiform bractlets (lengths to 1/3 phyllaries).

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

(1–)4–12 in corymbiform arrays.

(10–)14–24(–30+) in corymbiform arrays.

glabrous.

glabrous.

= 40.