Flora of North America species comparison

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

branched proximally and/or distally, (1.3–)2.6–10(–14.5) 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–)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 lanceolate to linear-lanceolate, 3.5–8.5(–13.5) cm × 7–14(–23) mm, margins usually entire or dentate, rarely lobed.

petiolate;

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

somewhat lax, considerably elongated in fruit.

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

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 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.

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

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

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.

0.7–1.3(–1.5) × 0.5–0.8 mm.

(0.7–)1–1.5(–1.8) × 0.5–0.7(–1) mm.

= 26.