Flora of North America species comparison

(unevenly purple-tinged, often glaucous) glabrous.

glabrous.

1–(2–3).

1–(2–4).

progressively reduced distally; petiolate;

blades ovate to oblanceolate, 4–8(–9+) × (2–)3–5 cm, bases tapered, margins dentate to incised-dentate (some denticles callous; mid leaves similar, smaller, ± clasping; distal leaves bractlike).

(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).

0.

± 8 or ± 13;

corolla laminae 5–12 mm.

(± 5) ± 8, 3–4(–5) mm, tips green or brownish.

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

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

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

25–60+ in cymiform clusters of 3–12.

(1–)4–12 in corymbiform arrays.

glabrous.

glabrous.

= 40.

= 40.