Flora of North America species comparison

paniculately branched distally, (2–)4.5–17(–28) dm.

branched distally, 2–10 dm.

petiole (0.5–)1.2–10(–15) cm;

blade usually oblong to lanceolate, or oblanceolate to spatulate, rarely ovate or obovate, (3.7–)5–31(–54) cm × (12–)16–78(–140) mm, margins usually entire, rarely dentate or repand.

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.

(ascending, not appressed to stem);

sessile;

blade linear to linear-lanceolate, (1–)2.2–8.3(–19.5) cm × (2–)3–11(–25) mm, (base cuneate to attenuate, not auriculate), margins entire.

(ascending);

sessile;

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

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

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

sepals erect, linear to linear-oblong, (3–)3.5–5.5(–7.5) × (0.5–)0.8–1(–1.5) mm;

petals white or lavender to purple, spatulate to oblanceolate, (4.5–)6–9(–13) × (0.5–)0.8–1.5(–2.3) mm, margins not crisped, claw differentiated from blade, [slender, (2–)3–4.5(–7) mm, narrowest at base];

nectar glands lateral, flat or toothlike, median glands absent;

filaments subequal to slightly tetradynamous, (3–)4.5–7.5(–12.5) mm;

anthers exserted, linear to narrowly oblong, (1–)1.5–2.5(–4.5) mm, not circinately coiled;

gynophore 0.5–2(–5.5) 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.

usually horizontal to divaricate, rarely ascending or reflexed, usually straight, rarely incurved, slender or stout, (2–)3–9(–13) mm, often strongly flattened, rarely not flattened at base.

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

usually horizontal to divaricate-ascending, or ascending, rarely reflexed, usually torulose, rarely submoniliform, usually strongly incurved, sometimes straight, rarely arcuate, terete, (0.8–)1.4–6.5(–8) cm × 1–1.3(–2) mm;

ovules 14–40 per ovary;

style usually cylindrical, rarely subclavate, 0.5–1.3(–3.2) 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.

(1–)1.2–2(–2.3) × 0.7–1(–1.3) mm.

0.7–1.5 × 0.5–0.8 mm.