Flora of North America species comparison

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

(hollow), branched distally, (1.8–)4.5–13(–21) 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–)1.8–9.5(–13) cm, ciliate;

blade often oblong, sometimes ovate or lanceolate, (3.8–)6–23(–28) cm × (9–)20–65(–100) mm, margins usually dentate, sometimes sinuate, rarely repand.

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, similar to basal, smaller distally, margins dentate or entire.

somewhat lax, considerably elongated in fruit.

dense, slightly elongated in fruit (to 10 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, (4–)4.5–8(–9) × 1–2 mm;

petals white, spatulate to oblanceolate, (7–)9–15(–16) × 1–2 mm, claw strongly differentiated from blade [(3–)3.5–5.5(–6) mm, widest at base];

nectar glands confluent, median and lateral;

filaments subequal, (6–)7–14.5(–15.5) mm;

anthers exserted, linear to narrowly oblong, 2.5–4.5(–6) mm, circinately coiled, (apiculate);

gynophore (0.5–)1–4(–6) mm.

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

erect distally, strongly curved upward, stout, (1.5–)2.5–5(–7) mm, slightly 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.

erect, (subappressed to rachis), torulose, somewhat tortuous, terete, (1.8–)3.3–8(–10) cm × (0.7–)1–1.5(–1.8) mm;

ovules 50–78 per ovary;

style usually cylindrical, rarely subclavate, (0.5–)0.7–1.5(–3) mm.

0.7–1.3(–1.5) × 0.5–0.8 mm.

(0.7–)1–1.5(–2) × 0.5–0.7(–1) mm.

= 26.