Flora of North America species comparison

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

branched, (1.3–)3.4–8.3(–12) dm, (somewhat glaucous, glabrous throughout or pubescent proximally).

(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).

petiole (1.5–)2–5.2(–9) cm, glabrous or pubescent;

blade usually oblanceolate to spatulate, rarely obovate or lanceolate, 3.3–14(–20) cm × (05–)10–32(–47) mm, margins often pinnately lobed to lyrate, sometimes dentate or entire.

petiolate;

blade lanceolate to linear-lanceolate, 3.5–8.5(–13.5) cm × 7–14(–23) mm, margins usually entire or dentate, rarely lobed.

sessile;

blade linear to lanceolate, smaller distally, (base sagittate, appressed to stem), margins usually entire, rarely dentate.

somewhat lax, considerably elongated in fruit.

dense, slightly elongated in fruit, (flower buds 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, lanceolate to linear-lanceolate or ovate, (3–)3.5–5(–5.5) × 1–1.5(–2) mm;

petals white, linear to narrowly oblanceolate, 8–12.5(–16) × 0.3–0.5(–1) mm, margins strongly crisped, claw differentiated from blade, (slender, 2.5–4 mm, narrowest at base);

nectar glands surrounding bases of lateral stamens, median glands absent;

filaments subequal or slightly tetradynamous, 2.5–6.5(–10) mm;

anthers exserted, linear, 1.5.–2(–2.5) mm, slightly circinately coiled, (apiculate);

gynophore (0.5–)1–2(–5) mm.

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

horizontal to divaricate, straight or slightly curved, stout, 1–2(–2.5) mm, 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 to ascending, torulose, often straight, sometimes slightly curved, terete, (0.8–)1.2–2.7(–3) cm × 1–1.5(–2) mm;

ovules 12–26 per ovary;

style cylindrical, (0.2–)0.5–1(–2.5) mm.

0.7–1.3(–1.5) × 0.5–0.8 mm.

(plump), (1.3–)1.5–2 × 0.8–1(–1.3) mm.