Flora of North America species comparison

deciduous;

petiole 3–5 mm;

blade obovate, 2–8 × 1.5–4.5 cm, base attenuate, margins crenate-serrate, apex acute or acuminate.

deciduous;

petiole 6–20 mm;

blade elliptic, oval, ovate, or obovate, 5–16 × 1–3 cm, base broadly cuneate to rounded, margins serrate, apex acuminate.

terminal or axillary, 1–5-flowered.

terminal or axillary, 7–20-flowered.

sepals 5;

petals 5, pale green, often suffused with purple, round, 2–3 mm diam.;

stamens 5;

ovary spiny.

sepals 4;

petals 4, dark purple, nearly triangular, obovate, or oblong, 1.5–2 × 1.2–1.5 mm;

stamens 4;

ovary smooth.

pink, subglobose, 10–12 mm diam., unlobed or very shallowly 4–5-lobed, lobes clearly connate, surface spiny.

pinkish purple, obovoid, 11–13 × 15–17 mm, deeply 4-lobed, lobes clearly connate, surface smooth.

subglobose, 4.5–5.5 mm;

aril bright orange.

ellipsoid, 5–7 × 4–5 mm;

aril red.

= 32.