Flora of North America species comparison

(somewhat congested), considerably elongated in fruit;

central rachis (3–)8–20(–28) cm.

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

central rachis (4.3–)8–20 cm.

petals usually white or lavender, rarely purple, (5–)6.5–9(–10) mm;

gynophore slender, (0.5–)0.8–3(–4) mm.

petals white, (7.5–)8–11(–13) mm;

gynophore stout, (1–)1.5–4(–5.5) mm.

often horizontal, sometimes divaricate or slightly reflexed, straight, not whitish, stout, (2–)2.5–4.5(–6) mm, strongly flattened at base.

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

horizontal to divaricate or slightly reflexed, often incurved, sometimes straight, (0.8–)1.5–2.5(–3.3) cm.

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

= 26.