Flora of North America species comparison

(congested), elongated in fruit;

central rachis (3.7–)4.5–12(–16.5) cm.

(moderately to strongly congested), not elongated in fruit;

central rachis (4.3–)8–20 cm.

petals white, (5–)6–9(–10) mm;

gynophore stout, (0.5–)1–3 mm.

petals white, (7.5–)8–11(–13) mm;

gynophore stout, (1–)1.5–4(–5.5) mm.

horizontal to divaricate, straight, whitish, stout, (5–)6–9(–13) mm, moderately flattened at base.

usually horizontal to reflexed, rarely divaricate, straight, whitish, stout, (6–)7–11(–13) mm, strongly flattened at base.

usually horizontal or divaricate, rarely divaricate-ascending, incurved, (1.4–)1.9–3.7(–4.5) cm.

usually horizontal to reflexed, rarely divaricate, straight or incurved to arcuate, (2.2–)3.5–6.5(–8) cm.

= 26.