Flora of North America species comparison

glabrous or with tufts of white hairs in leaf axils.

(often sea-green, usually glaucous) glabrous.

usually 1 (branching distally, unevenly reddish, usually somewhat lax).

single or 2–4 loosely clustered.

evenly distributed;

petiolate (proximal) or sessile;

blades lanceolate to lance-linear, 3–10+ × (0.5–)1–2 cm, bases tapered (or auriculate), margins (sometimes revolute) unevenly dentate to subentire (mid and distal leaves similar, smaller, bases expanded, ± truncate to cordate, clasping).

progressively reduced distally; ± petiolate;

blades elliptic to oblanceolate, 5–20+ × (1–)2–10 cm, bases tapered, margins denticulate or entire (mid and distal leaves sessile, bractlike).

usually ± 8 or ± 13, rarely 0;

corolla laminae 8–10 mm.

(0) ca. 5;

corolla laminae 3–5 mm.

± 21, (4–)5–8 mm, tips often with minute black dots.

± 8 or ± 13, 5–8 mm, tips frequently black.

of 3–5+ linear to subulate bractlets (to 1.5 mm).

of 2–4+ bractlets (less than 2 mm).

4–12 in loose, corymbiform arrays.

20–40(–80+) in compound corymbiform arrays.

hairy.

glabrous.

= 40.