Flora of North America species comparison

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

branched often proximally and distally, (1.4–)2–6.5(–7.5) dm, (glabrous or pubescent).

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 (0.8–)2–4(–6.5) cm, ciliate;

blade usually oblanceolate, rarely spatulate or oblong, (3–)6–15(–22) cm × (6–)10–25(–40) mm, margins entire, (surfaces glabrous).

(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 linear-lanceolate, (1.7–)2.2–6(–9) cm × (3–)5–15(–30) mm, (base sagittate to somewhat amplexicaul), margins entire, (surfaces glabrous).

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

corymbose, dense, terminal not elongated in fruit, (flower buds ovate).

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, ovate to oblong-ovate, (3–)3.5–5(–6) × (1–)1.5–2 mm;

petals lavender to purple, spatulate to broadly obovate, (6.5–)8–11.5(–14) × 2.5–5(–6) mm, margins not crisped, claw strongly differentiated from blade, [slender, (2–)2.5–4(–5) mm, narrowest at base];

nectar glands confluent, subtending bases of stamens;

filaments tetradynamous, median pairs (3–)3.5–5(–6) mm, lateral pair (2–)2.5–4(–5) mm;

anthers included, ovate to ovate-oblong, 1–2 mm, not circinately coiled;

gynophore (stout), 0.5–0.8(–1.2) 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.

usually horizontal to divaricate, rarely divaricate-ascending, often curved upward, slender, 6–11.5(–17) 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.

erect, slightly torulose, usually slightly incurved, rarely straight, terete, (1–)1.3–3.2(–5) cm × (0.8–)1.5–2.3 mm;

ovules 20–30 per ovary;

style cylindrical, (0.5–)1.5–1.7(–3) mm.

(1–)1.2–2(–2.3) × 0.7–1(–1.3) mm.

(plump), (1.3–)1.5–2 × 0.8–1 mm.