Flora of North America species comparison

decumbent to ascending, sometimes prostrate, 0.6–2.2 dm, lengths 1.5–3 times basal leaves.

petiole 1–4 cm, eglandular hairs absent or sparse, spreading, less than 1 mm, weak, glands abundant.

pinnate with distal leaflets ± distinct, 4–10 × 1–2(–3) cm;

petiole 1–3 cm, straight hairs dense, ± appressed, 1–2 mm, stiff, cottony hairs absent, glands absent or sparse;

primary lateral leaflets 5–7(–9) per side (sometimes with additional interspersed leaflets), on distal (1/2–)2/3–3/4 of leaf axis, ± overlapping, largest ones oblanceolate- to obovate-oblong, 0.5–1.5 × 0.4–0.8 cm, distal 3/4 to whole margin pinnately incised nearly to midvein, teeth (5–)7–9, linear-oblanceolate, 2–6 × 0.5–1 mm, apical tufts 1 mm, surfaces grayish green, straight hairs sparse (adaxially) to common, ± appressed, 1–2 mm, stiff, cottony hairs absent, glands absent or obscured.

(1–)2–3(–4).

3–15-flowered, ± compactly cymose, opening in fruit.

0.7–2(–2.5) cm, straight in fruit.

epicalyx bractlets lanceolate-elliptic to ovate, 2–4 × 0.8–2 mm;

sepals 3–5(–7) mm, apex broadly acute to obtuse;

petals 3.5–6.5 × 3–5 mm;

filaments 1–2.5 mm, anthers 0.5–0.6 mm;

carpels 10–15.

epicalyx bractlets narrowly elliptic, sometimes doubled, 2–3.5 × 1–1.5 mm;

hypanthium 3–4 mm diam.;

sepals 4–6 mm, apex ± acute;

petals 4–5(–6) × 3–4(–5.5) mm;

filaments 1–2 mm, anthers 1–1.5 mm, often as long as filaments;

carpels 8–20, styles 2 mm.

1–1.5 mm.

1.8 mm, ± smooth, not carunculate.