Flora of North America species comparison

branched often proximally and distally, (2–)3–8(–12.5) dm, (glabrous or pubescent).

(hollow), branched distally, (1.8–)4.5–13(–21) dm.

petiole (1–)2–8(–14) cm, ciliate;

blade usually oblanceolate to ovate, rarely oblong, (2–)6.5–20(–29) cm × 10–42(–50) mm, margins entire, (surfaces glabrous or pubescent).

(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.

(ascending);

sessile;

blade lanceolate to oblong-lanceolate, (0.8–)1.6–8.5(–14) cm × 2–13(–28) mm, (base amplexicaul to sagittate), margins entire, (surfaces glabrous or pubescent).

petiolate;

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

sometimes corymbose, lax or dense, elongated or not in fruit, (flower buds ovate to lanceolate).

dense, slightly elongated in fruit (to 10 dm, flower buds narrowly oblong).

sepals erect, ovate to oblong, (2.5–)3–6(–10) × (1–)1.5–2(–2.5) mm;

petals white or lavender to purple, oblanceolate to spatulate or linear, (5–)7–14(–19) × (0.5–)1–3(–4) mm, margins slightly crisped between blade and claw, claw differentiated from blade, [slender, (2–)3–6.5(–10) mm, narrowest at base];

nectar glands confluent and subtending bases of stamens, sometimes only lateral;

filaments tetradynamous, median pairs 3–5.5(–8) mm, lateral pair (2–)2.5–4.5(–7) mm;

anthers included or partially exserted, oblong, (1.5–)2–3.2(–5) mm, not circinately coiled;

gynophore (stout), 0.5–1(–2) 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, often curved upward, stout or slender, (2.5–)3.5–11(–20) mm, not flattened at base.

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

erect, torulose, straight or slightly incurved (forming arc with pedicel), usually terete, rarely 4-angled, 1–5.3(–6.9) cm × (0.5–)0.8–1(–1.2) mm;

ovules 20–62per ovary;

style cylindrical, 0.5–1.5(–3.3) 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.

(flattened), (0.7–)1–1.3(–1.5) × 0.5–0.7(–1) mm.

(0.7–)1–1.5(–2) × 0.5–0.7(–1) mm.

= 26.