Flora of North America species comparison

glabrous.

glabrous.

1–(2–4).

usually 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).

progressively reduced distally (basal and proximal withering before flowering); petiolate (petioles purplish, weakly winged, 4–5 cm);

blades broadly triangular-ovate to suborbiculate, 2–4(–5) × 2.5–3 cm, bases truncate to ± cuneate, margins coarsely spinulose-dentate (mid leaves similar, persistent).

± 8 or ± 13;

corolla laminae 5–12 mm.

“few”;

corolla laminae ca. 7 mm (inconspicuous, equaling or barely surpassing phyllaries).

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

± 13, 7–9 mm, tips green.

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

of “few,” linear bractlets.

(1–)4–12 in corymbiform arrays.

nodding, 4–6.

glabrous.

glabrous.

= 40.