Flora of North America species comparison

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

(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.

(moderately to strongly congested), not elongated in fruit;

central rachis (4.3–)8–20 cm.

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

petals white, (7.5–)8–11(–13) mm;

gynophore stout, (1–)1.5–4(–5.5) 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 reflexed, rarely divaricate, straight, whitish, stout, (6–)7–11(–13) mm, strongly 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.

usually horizontal to reflexed, rarely divaricate, straight or incurved to arcuate, (2.2–)3.5–6.5(–8) cm.

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–)1.2–2(–2.3) × 0.7–1(–1.3) mm.