Flora of North America species comparison

sparsely branched; glabrous or glabrate.

sparsely branched distally; glabrous or glabrate.

(stipules bristlelike), petiole 1.5–3.5 cm;

leaflets 3, blade elliptic, 2–6 × 0.6–1.5 cm, margins entire, weakly sinuate, or serrulate, apex acute, long-acuminate, or mucronate, surfaces glabrate (margins with sparse, relatively long hairs when young).

petiole 1.5–4.5 cm;

leaflets 5, (proximal ones sometimes early deciduous), blade linear to elliptic, 1.5–4(–6) × 0.4–1.3 cm, margins serrate, apex long-acuminate, surfaces glabrous.

1–4 cm (4–30 cm in fruit);

bracts unifoliate, obovate, 4–22 mm.

1–3 cm (6–40 cm in fruit);

bracts unifoliate, obovate to spatulate, 2–15 mm.

(green to purple), 8–20 mm.

7–15 mm.

sepals persistent, connate 1/2–2/3 of length, purple to green, lanceolate, 1.7–4 × 1–2 mm, margins denticulate, glabrous;

petals purple (rarely white), oblong to ovate, 7–12 × 3–6 mm;

stamens purple, 18–24 mm;

anthers (green), 2–2.3 mm;

gynophore 1–15 mm in fruit;

ovary 5–7 mm;

style 0.1–0.5 mm.

sepals persistent, connate ca. 1/2 of length, yellow, lanceolate, 1.6–2.6 × 0.8–1.2 mm, margins denticulate, glabrous;

petals golden yellow, oblong to ovate, 10–13 × 2–4 mm;

stamens yellow, 20–30mm;

anthers 1.9–2.6 mm;

gynophore 15–25 mm in fruit;

ovary 3–6 mm;

style 0.5–0.8 mm.

(erect) not inflated, 23–76 × 3–6(–7) mm, striate, (glabrous).

not inflated, 40–60 × 2–5 mm, striate.

12–38, black, globose or horseshoe-shaped, 2.8–4 × 2.5–3 mm, rugose.

15–30, gray to black, triangular (sharply angled), 3–4 × 2.5–3 mm, rugose.

= 34, 60.