Flora of North America species comparison

glabrous.

unevenly tomentose, glabrescent, except persistently hairy on abaxial faces of leaves.

1–(2–4).

single.

(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 withering before flowering); mostly petiolate (proximal);

blades oblong or ovate to oblong-lanceolate (pinnately or subpalmately parted, primary lobes 3–6+, lanceolate to lance-linear, 3–8+ cm), 10–20+ × 8–15+ cm, bases ± tapered, ultimate margins serrate (distal leaves similar, sessile, smaller).

± 8 or ± 13;

corolla laminae 5–12 mm.

± 5;

corolla laminae ca. 10 mm.

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

± 13, 4–6 mm, tips green.

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

0 or of 1–5+ subulate bractlets (lengths about 1/3 phyllaries).

(1–)4–12 in corymbiform arrays.

20–50 in corymbiform arrays.

glabrous.

glabrous.

= 40.

= 40.