Flora of North America species comparison

elongated or sub-umbellate in fruit;

central rachis (0.5–)1.2–10(–25) cm.

(congested), elongated in fruit;

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

petals usually lavender to purple, rarely white, (4.5–)5.5–8(–10.5) mm;

gynophore stout, 0.5–1.2(–2.5).

petals white, (5–)6–9(–10) mm;

gynophore stout, (0.5–)1–3 mm.

usually divaricate to divaricate-ascending, rarelyhorizontal, straight or slightly incurved, not whitish,often slender, sometimes stout, (4–)6–10(–13) mm, not or slightly flattened at base.

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

divaricate-ascending to ascending, straight or incurved, (1–)1.5–3(–4) cm.

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

= 26.

= 26.