Flora of North America species comparison

± decumbent to erect.

erect (usually herbaceous).

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 mm;

blades narrowly ovate or obovate to elliptic or spatulate, 15–25(–45) × 3–8(–15) mm, margins rarely toothed, faces usually ± strigose to scabrellous, gland-dotted.

2–7+ mm.

1–2 mm.

± campanulate to urceolate, 5–7+ mm.

± hemispheric, 2–3 mm.

2–5;

corollas 0.3–1.5 mm.

3–5(–8);

corollas 0.5–1.5 mm.

outer 6–10 distinct, ± herbaceous.

outer 3–5 ± connate, ± herbaceous.

in racemiform arrays.

in ± racemiform arrays.

4–5 mm.

2.5–3 mm.

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

linear, 1.5–2 mm.

staminate florets 8–12+;

corollas 4–5 mm.

staminate florets 4–8(–20+);

corollas 2–2.5 mm.

= 34.

= 36, 54.