Flora of North America species comparison

branched distally, (6.5–)9.5–22.5(–28) dm.

usually branched distally, 1.3–4.8(–6.1) dm.

(and proximal cauline): petiole (2–)4.5–8.5(–13.7) cm;

blade often lanceolate, sometimes oblanceolate in outline (lateral lobes oblong to linear or deltate), (6.5–)9.5–22.5(–28) cm × 28–55(–75) mm, margins pinnately lobed or lyrate (lobes entire or denticulate).

(and proximal cauline): petiole 1–2.5(–4) cm;

blade oblanceolate or spatulate in outline (lateral lobes often oblong, sometimes ovate), (3.4–)5–15(–24) cm × (11–)15–35(–55) mm, margins pinnately lobed (lobes dentate, entire, or repand).

petiolate;

blade lanceolate to linear-lanceolate, 3.5–8.5(–13.5) cm × 7–14(–23) mm, margins usually entire or dentate, rarely lobed.

petiolate;

blade often pectinate (lobes linear), similar to basal, much smaller, margins pinnately lobed.

somewhat lax, considerably elongated in fruit.

somewhat lax, considerably elongated in fruit.

sepals spreading or ascending oblong to linear, (3–)4–6(–7) × (0.8–)1–1.3(–1.5) mm;

petals usually white, rarely lavender, linear or oblong, 4–7.5(–9) × 1–1.8(–2) mm, margins not crisped, claw not differentiated from blade (base sometimes clawlike, to 2 mm, widest at base);

nectar glands confluent;

filaments equal, (3–)3.5–6.5(–8.5) mm;

anthers (1–)1.5–2.5(–3) mm, circinately coiled;

gynophore 0.2–2(–5) mm.

sepals spreading or ascending, oblong to linear-oblong, (2.5–)3.5–5 × 1–1.5 mm;

petals white, spatulate to oblanceolate, (3.5–)4–6.5(–7) × (0.5–)1–2 mm, margins not crisped, claw differentiated from blade (widest at base);

nectar glands confluent;

filaments equal, (4–)4.5–6.5(–7) mm;

anthers oblong, (1–)1.5–2 mm, circinately coiled;

gynophore 0.5–1(–2) mm.

horizontal to divaricate, sometimes reflexed, straight or curved, sometimes secund, slender, (5–)7–13(–17) mm, slightly flattened at base.

horizontal to divaricate, sometimes reflexed, straight or incurved, slender or stout, (4–)6–2(–3.5) mm, slightly flattened at base.

horizontal or reflexed, torulose, straight to somewhat curved, flattened, (2.5–)3.8–7.4(–9) cm × 1–1.2(–1.5) mm, (replum not constricted between seeds);

ovules 76–128 per ovary;

style usually clavate to subclavate, rarely cylindrical, (0.5–)0.8–2(–3) mm.

usually divaricate, rarely ascending, torulose, straight or slightly recurved, flattened, (1.9–)2.8–6(–7) cm × (1–)1.3–1.5(–1.7) mm, (replum not constricted between seeds);

ovules 28–48 per ovary;

style usually conical to subconical, rarely subcylindrical, 0.8–1.5(–3) mm.

0.7–1.3(–1.5) × 0.5–0.8 mm.

(1–)1.2–1.5 × 0.8–1(–1.3) mm.

= 26.