Flora of North America species comparison

branched distally, (1.5–)3–14(–23.5) dm, (glabrous throughout or sparsely to densely hirsute proximally).

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

(and proximal cauline): petiole (1–)1.7–8(–11) cm, pubescent or glabrous;

blade oblanceolate in outline (lateral lobes usually oblong to linear, rarely deltate), (4–)7.2–20.5(–30) cm × (6–)10–40(–100) mm, margins pinnately lobed or lyrate (lobes entire or dentate).

(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 usually lanceolate to linear, sometimes oblanceolate to oblong, 1.5–7(–10) cm × 3–12(–20) mm, margins usually entire or repand, rarely lobed.

petiolate;

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

corymbose, somewhat lax, considerably elongated in fruit.

somewhat lax, considerably elongated in fruit.

sepals (equal), ascending, oblong, (2.5–)3–5(–5.5) × 1–1.7(–3) mm, (lateral pair not saccate);

petals usually white, rarely lavender, usually spatulate, rarely obovate, 5–7.5(–9.5) × 1.5–2.5(–3.5) mm, margins not crisped, claw obscurely differentiated from blade (widest at base);

nectar glands continuous, flat, subtending bases of stamens;

filaments tetradynamous, median pairs 3–4.5(–5.5) mm, lateral pair 2.5–3.5(–4.5) mm;

anthers included, oblong, (1–)1.5–2.2(–2.5) mm, not circinately coiled;

gynophore 0.5–0.8(–1.5) 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.

often divaricate, sometimes reflexed, rarely horizontal or divaricate-ascending, straight, slender, (4–)5–13(–19) mm, somewhat flattened at base.

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

divaricate to reflexed, submoniliform to strongly torulose, straight or curved, terete, (2–)3–6.6(–7.4) cm × 0.7–1(–1.5) mm, (replum constricted between seeds);

ovules 26–62 per ovary;

style usually clavate to subclavate, rarely cylindrical, (0.5–)0.8–2(–5) 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.

(oblong), (1–)1.3–1.8(–2) × 0.5–1 mm.

(1–)1.2–1.5 × 0.8–1(–1.3) mm.

= 26.