Flora of North America species comparison

branched proximally and/or distally, (1.3–)2.6–10(–14.5) dm.

branched distally, 1–8(–9.3) dm.

(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).

petiole 0.5–2 cm, ciliate;

blade often oblanceolate to spatulate, sometimes oblong or lanceolate, 2–10(–13.5) cm × 10–23(–40) mm, margins often lyrate to dentate, sometimes entire or repand.

petiolate;

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

(ascending);

sessile;

blade often lanceolate to linear, sometimes oblong, (0.8–)1–9.7(–14.5) cm × 2–10(–30) mm, (base usually amplexicaul to strongly sagittate, rarely auriculate), margins entire.

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

lax, elongated in fruit, (flower buds ovate to lanceolate).

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.

sepals erect, linear or lanceolate, (3.5–)5–8.5(–11.5) × (0.7–)1–2(–2.5) mm;

petals lavender to purple, linear or oblanceolate to spatulate, (6–)9–16.5(–22) × 0.5–2.7(–3) mm, margins partially crisped, claw differentiated from blade, [slender, (2.5–)4–7(–11) mm, narrowest at base];

nectar glands confluent, subtending bases of stamens;

filaments slightly tetradynamous, median pairs (3–)5.5–9(–12) mm, lateral pair (2.5–)4.5–8(–10) mm;

anthers slightly exserted to included, linear, (1.5–)2–4(–5.5) mm, not circinately coiled;

gynophore (stout), 0.5–1(–3.5) mm.

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

usually ascending, rarely divaricate-ascending, usually straight, rarely slightly incurved, stout, (2.5–)3.5–8(–14.5) mm, not flattened at base.

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.

often ascending, sometimes erect or divaricate, slightly torulose, straight or slightly incurved (forming straight line with pedicel), terete, 1.5–6.5(–8.2) cm × 1–1.3(–2) mm;

ovules 22–40 per ovary;

style cylindrical or subclavate, (0.5–)1–2.7(–4.3) mm.

(0.7–)1–1.5(–1.8) × 0.5–0.7(–1) mm.

(1–)1.2–1.7(–2) × 0.5–0.7 mm.

= 26.