Flora of North America species comparison

glabrous.

glabrous or lightly floccose-tomentose proximally when young.

1–(2–4).

single or 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 (proximal often withering before flowering); petiolate or subsessile;

blades lanceolate or narrowly lanceolate to sublinear, 5–15(–20+) × (1–)1.5–4 cm, bases tapered, margins dentate to subentire (distal leaves smaller, bractlike).

± 8 or ± 13;

corolla laminae 5–12 mm.

± 5 or ± 8;

corolla laminae 5–10 mm.

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

± 8 or ca. 13, 4–9 mm, tips usually green, sometimes black.

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

of 2–6 linear to filiform bractlets (0.5–5 mm).

(1–)4–12 in corymbiform arrays.

30–90+ in corymbiform to subpaniculiform arrays.

glabrous.

glabrous or glabrate.

= 40.

= 40.