Flora of North America species comparison

gray, deeply furrowed, warty with age.

light gray, smooth or covered with corky warts.

without thorns, spreading, young branches mostly pubescent.

without thorns, often pendulous, young branches pubescent at first, then glabrous.

blade lance-ovate to broadly ovate or deltate, 5-12 × 3-6(-9) cm (on fertile branches), leathery, base oblique or obliquely somewhat acuminate, margins conspicuously serrate to well below middle, teeth 10-40, apex acuminate;

surfaces scabrous.

blade typically elliptic-lanceolate to ovate-lanceolate, (4-)6-8(-15) × (2-)3-4 cm, thin and membranaceous to leathery, base broadly cuneate to rounded, margins entire or rarely with a few long teeth, apex sharply acute to acuminate;

surfaces glabrous or nearly so, margins ciliate.

dense pendulous clusters.

flowers solitary or few-flowered clusters at base of leaves.

dark orange to purple- or blue-black when ripe, orbicular, to 7-11(-20) mm diam., commonly with thick beak;

pedicel to 15 mm.

orange to brown or red when ripe, nearly orbicular, 5-8 mm diam., beakless;

pedicel 6-15 mm.

light yellow, weak.

cream colored, 7-9 × 5-8 mm, reticulate.

4.5-7 × 5-6 mm.

= 20, 30, and 40.

= 20, 30, and 40.