Flora of North America species comparison

decumbent to erect, 0.3–3 dm.

prostrate to decumbent, 0.2–0.6(–1) dm.

tightly to loosely cylindric, 1–15 cm; sheathing base glabrous abaxially;

petiole 0.5–4 cm, hairs 0.2–1 mm;

leaflets 10–35 per side, 1–8 mm, glabrous or short-hirsute, minutely glandular, lobes (2–)4–8(–10), linear to obovate or ± orbiculate, apex sometimes setose.

tightly cylindric, 1–4(–5) cm; sheathing base mostly not strigose abaxially;

petiole 0.3–2 cm, hairs 0.5–1 mm;

lateral leaflets 5–10(–12) per side, ± overlapping, ± flabellate, 1–2.5 mm, incised to base or nearly so into 3–5 obovate to oval lobes, apex sometimes ± setose, surfaces loosely long-strigose, sparsely glandular;

terminal leaflets indistinct.

0–2(–3), not paired.

1(–2);

blade vestigial.

3–20(–25)-flowered, (0.5–)1–2.5(–3.5) cm diam.;

glomerules usually 1.

1–10-flowered, ± congested, 0.5–1.5 cm diam.

(0.5–)1–7(–11) mm.

3–7(–10) mm.

6–12 mm diam.;

epicalyx bractlets oblong to oval, 0.8–2.5(–3) mm;

hypanthium shallowly cupulate, 1–2 × 2.5–5 mm;

sepals (1.8–)2–4(–4.5) mm, obtuse to acute;

petals golden yellow, obovate, 2–5 mm;

stamens 5, filaments 0.8–2 mm, anthers yellow, 0.6–0.8 mm;

carpels (5–)8–15(–18), styles 1–3 mm.

6–9 mm diam.;

epicalyx bractlets 5, lanceolate to narrowly oblong or narrowly ovate, 0.8–1.3 mm;

hypanthium shallowly cupulate, ± 1 × 2–3(–4) mm;

sepals 1.5–2.3 mm, ± acute;

petals yellow, oblanceolate to spatulate, 2–3.2 mm;

stamens 5, filaments 0.9–1.2 mm, anthers yellow, oblong, 0.7–0.9 mm;

carpels 6–10, styles 1–1.5 mm.

greenish tan to light brown, 1.2–1.5 mm.

greenish cream to light brown, 1.4–1.8(–2) mm, smooth, not carunculate.