Flora of North America species comparison

glabrous.

floccose-tomentose, unevenly glabrescent (persistently hairy on abaxial leaf faces).

1–(2–4).

usually single, sometimes loosely 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).

± evenly distributed (basal and proximal sometimes withering before flowering); petiolate (proximal) or sessile;

blades ovoid or oblong to spatulate (usually pinnatifid to pinnatisect, lobes ± lanceolate to linear), (3–)5–12 × (1.5–)2–4 cm, bases tapered to ± truncate, ultimate margins (often revolute) dentate or entire.

± 8 or ± 13;

corolla laminae 5–12 mm.

± 13;

corolla laminae 12–15 mm.

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

± 13, 5–7 mm, tips green or greenish.

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

of 4–6(–10) bractlets (lengths to 1/2 phyllaries).

(1–)4–12 in corymbiform arrays.

20–60 in corymbiform arrays.

glabrous.

hairy.

= 40.