Flora of North America species comparison

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

branched distally, 2–10 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).

petiole (0.9–)1.4–3(–4.5) cm, ciliate;

blade usually oblanceolate to oblong or lanceolate, rarely ovate or elliptic, (2.8–)3.5–8.8(–11) cm × (7–)10–25(–35) mm, margins often entire or repand, sometimes sinuate.

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.

(ascending);

sessile;

blade lanceolate to oblong, 1.8–4.5(–6) cm × 5–16(–24) mm, (base amplexicaul to strongly auriculate), margins entire.

corymbose, somewhat lax, considerably elongated in fruit.

lax, slightly elongated in fruit, (flower buds oblong-linear).

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, linear-oblong, 5–7(–8) × (0.8–)1–1.5(–1.8) mm;

petals dark purple, spatulate to oblanceolate, (6.6–)7.5–10(–11.5) × 1–1.8(–2) mm, margins not crisped, claw differentiated from blade, [slender, (3–)3.5–5(–5.5) mm, narrowest at base];

nectar glands confluent, subtending bases of stamens;

filaments subequal, (4.5–)6–9(–10) mm;

anthers exserted, linear to narrowly oblong, 2.5–4(–4.5) mm, circinately coiled;

gynophore (1–)2.5–6(–7.5) mm.

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

horizontal to divaricate, usually straight, rarely slightly incurved, slender, (2.5–)3–5.5(–6.5) 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.

divaricate to ascending, torulose, straight or slightly incurved, terete, (2–)2.4–5(–6.5) cm × 0.7–1(–1.3) mm;

ovules 44–58 per ovary;

style usually cylindrical, rarely subclavate, 0.5–1.5(–2) mm.

(oblong), (1–)1.3–1.8(–2) × 0.5–1 mm.

0.7–1.5 × 0.5–0.8 mm.