Flora of North America species comparison

deciduous;

petiole 4–12 mm;

blade ovate-elliptic, 2.5–10 × 1.5–3.5 cm, base attenuate to broadly cuneate, margins minutely denticulate, apex acuminate.

deciduous;

petiole 0.5–4 mm;

blade narrowly elliptic, 2.5–6 × 0.5–2.5 cm, base attenuate or cuneate, margins denticulate, apex acuminate.

axillary, 1–7(–15)-flowered.

axillary, (1–)3(–7)-flowered.

sepals 4;

petals 4, yellow or white, oblong, 3–4 × 1–2 mm;

stamens 4;

ovary smooth.

sepals 4;

petals 4, yellowish green or white, oblong, 2–3 × 1.5–2 mm;

stamens 4;

ovary smooth.

pink, obovoid, 8–10 × 12–15 mm, deeply (2–)4-lobed, rarely only 1 lobe developing, lobes clearly connate, surface smooth.

purple-brown, obovoid, 8–10 × 5–15 mm, deeply 2–4-lobed to base or only 1 lobe developing, lobes nearly distinct, surface smooth.

obovoid, 7–8 × 4–5 mm;

aril orange or yellow.

ellipsoid, 7–8 × 4–5 mm;

aril yellow or orange.

= 64.