Flora of North America species comparison

± decumbent to erect.

erect.

petioles 0–2 mm;

blades narrowly lance-elliptic to lanceolate or spatulate, 1–3(–6+) cm × 4–10(–20) mm, margins usually entire, rarely toothed, faces glabrous, rarely gland-dotted.

petioles 5–10+ mm;

blades ovate or elliptic to lanceolate, 30–60(–120+) × 5–30(–40) mm, margins usually toothed, faces closely scabrellous, gland-dotted.

2–7+ mm.

1–3+ mm.

± campanulate to urceolate, 5–7+ mm.

± hemispheric, 2–4 mm.

2–5;

corollas 0.3–1.5 mm.

(2–)5;

corollas 0.7–1 mm.

outer 6–10 distinct, ± herbaceous.

outer 5 distinct, ± herbaceous.

in racemiform arrays.

in ± racemiform arrays.

4–5 mm.

2–3 mm.

linear to spatulate (distally dilated), 5–6 mm.

linear to subulate, 2.5–3 mm.

staminate florets 8–12+;

corollas 4–5 mm.

staminate florets 3–8(–15+);

corollas 2–3 mm.

= 34.

= 34.