Flora of North America species comparison

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

branched proximally and/or distally, (1.3–)2.6–10(–14.5) 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–)1.5–10(–15) cm;

blade lanceolate to deltate-lanceolate, or oblong to ovate (lateral lobes oblong to ovate), (4.3–)6.8–24(–45) cm × (10–)18–85(–140) mm, margins pinnately lobed or laciniate (lobes sinuate, laciniate, or dentate).

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 lanceolate to linear-lanceolate, similar to basal, smaller distally, margins entire or sinuate to laciniate.

corymbose, somewhat lax, considerably elongated in fruit.

dense, slightly elongated in fruit (to 9.5 dm, flower buds narrowly oblong).

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 erect, oblong to linear-oblong, (3.5–)4–7.5(–9.5) × (0.8–)1–2(–2.5) mm;

petals white or purple, often linear, sometimes linear-lanceolate, (6–)8.5–18(–20) × 0.3–0.8(–1.5) mm, margins slightly crisped, claw strongly differentiated from blade, [(2.5–)3–6(–7) mm, widest at base];

nectar glands confluent, lateral and median;

filaments subequal, (4.5–)6.5–12(–15) mm;

anthers exserted, linear, 2–4(–5.5) mm, circinately coiled, (apiculate);

gynophore (0.5–)1–5(–8.5) mm.

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

horizontal to, rarely, divaricate, straight, often stout, (2–)3–6.5(–15) mm, often 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.

divaricate-ascending to slightly reflexed, torulose, somewhat tortuous, terete, (2.5–)3.5–10(–12) cm × (0.7–)1–1.5(–2) mm;

ovules 56–108 per ovary;

style usually cylindrical, rarely subclavate, (0.3–)0.7–2.5(–4) mm.

(oblong), (1–)1.3–1.8(–2) × 0.5–1 mm.

(0.7–)1–1.5(–1.8) × 0.5–0.7(–1) mm.

= 26.