Flora of North America species comparison

branched distally, (4–)6–16(–20) dm.

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

petiole 0.5–1.3(–1.5) cm, not ciliate;

blade spatulate or oblanceolate to obovate, 1.3–4(–7) cm × (4–)6–13(–18) mm, margins usually dentate to repand, rarely entire.

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.

(erect, appressed to stem at least partly);

sessile;

blade linear to linear-lanceolate, (1.8–)1.3–4.5(–6) cm × (1–)1.7–7(–8) mm, (base auriculate or sagittate), margins entire.

(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.

dense, terminal not elongated in fruit, (flower buds narrowly oblong).

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

sepals erect, usually linear to linear-oblong, rarely oblong, 4–6(–7) × (0.8–)1–1.5 mm;

petals lavender to purple, spatulate to obovate or oblong, (6–)7–9.5(–12) × (1.2–)1.5–2(–3) mm, margins not crisped, claw differentiated from blade, [slender, 3–4.5(–5.5) mm, narrowest at base];

nectar glands confluent, subtending bases of stamens;

filaments tetradynamous, median pairs (5–)5.5–7.5(–8.5) mm, lateral pair (4–)5–6.5(7.5) mm;

anthers exserted, linear to linear-oblong, 2–3(–4) mm, not circinately coiled;

gynophore 0.5–2.5(–6) mm.

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.

usually horizontal to divaricate, rarely divaricate-ascending, straight, slender, (6–)7–14(–18) mm, often not flattened at base.

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.

erect distally, slightly torulose, usually strongly incurved, (overtopping buds), rarely straight and divaricate-ascending, terete, (1.8–)2.8–5(–6.3) cm × 0.7–1 mm;

ovules 52–70 per ovary;

style cylindrical, (0.5–)0.8–1.5(–2) mm.

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.

1–1.3(–1.5) × 0.5–0.6(–0.8) mm.

(1–)1.2–2(–2.3) × 0.7–1(–1.3) mm.

= 26.