Flora of North America species comparison

± decumbent to erect.

sprawling to erect (usually woody at bases).

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 0–3(–10) mm;

blades lance-elliptic to oblanceolate, 2–5(–10) cm × 5–10(–18) mm, margins usually entire, rarely toothed, faces sparsely strigose to scabrellous, gland-dotted.

2–7+ mm.

2–3+ mm.

± campanulate to urceolate, 5–7+ mm.

± hemispheric, 2.5–3.5 mm.

2–5;

corollas 0.3–1.5 mm.

5;

corollas 0.5–1 mm.

outer 6–10 distinct, ± herbaceous.

outer 5 distinct, ± herbaceous.

in racemiform arrays.

in ± racemiform arrays.

4–5 mm.

2–2.5 mm.

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

linear to cuneiform, 1.5–2.5 mm.

staminate florets 8–12+;

corollas 4–5 mm.

staminate florets 5–12(–20);

corollas 1.5–2.5 mm.

= 34.