Flora of North America species comparison

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

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.

sessile;

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

dense, slightly elongated in fruit, (flower buds oblong).

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, straight or slightly curved, stout, 1–2(–2.5) mm, flattened at base.

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.

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