Trees, 40–100 dm. Stems: trunk bark freshly exposed ± orange, older dark gray brown, flattened-scaly in elongate strips; compound thorns on trunks present; thorns on twigs determinate. Leaves: petiole length 40–60% blade; blade brilliantly bronze and purple in fall, glossy, ± deltate, broad, 3–6 cm, lobes palmate or 2 or 3 (or 4) per side, sinuses deep, triangular, venation craspedodromous, veins to lobes and deeper sinuses. Inflorescences 15–30-flowered; branches glabrous; bracteoles caducous, linear, small, membranous, margins stipitate-glandular. Flowers 10–12 mm diam.; sepals broadly triangular; stamens 20, anthers ivory; styles 3 (or 4). Pomes vermillion, ± orbicular, 5–8 mm diam., shiny; sepal remnants persistent or deciduous; pyrenes 3, dorsally grooved, sides plane.

Distribution

c, se United States, elsewhere in the flora area

Discussion

Species 1.

Series Cordatae occurs in a wide band from Missouri to North Carolina with outliers in all states southward except Alabama. Anthesis occurs last among sympatric hawthorns.

Selected References

None.

Lower Taxa

Crataegus phaenopyrum

"broad" is not a number."adnate" is not a number."dm" is not declared as a valid unit of measurement for this property.