Flora of North America species comparison

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

central rachis (4.3–)8–20 cm.

(congested), elongated in fruit;

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

petals white, (7.5–)8–11(–13) mm;

gynophore stout, (1–)1.5–4(–5.5) mm.

petals white, (5–)6–9(–10) mm;

gynophore stout, (0.5–)1–3 mm.

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

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

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

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

= 26.