Northern Prairie Wildlife Research Center
Southern Wetland Flora
Field Office Guide to Plant Species
Crataegus marshallii Eggelst.
- Family: Rose (Rosaceae)
- Flowering: April-May
- Field Marks: This is one of the easier hawthorns to recognize because of its deeply cut leaves.
- Habitat: Alluvial bottomlands, floodplain forests, wet woods, along streams and rivers.
- Habit: Tree to 25 feet tall, sometimes forming a dense understory.
- Bark: Gray, becoming scaly with age.
- Twigs: Gray, hairy at first but usually becoming smooth, sometimes with slender thorns up to
1 1/2 inches long.
- Leaves: Alternate, simple, broadest at or below the middle, triangular to ovate, deeply several-lobed, with each lobe sharply toothed, more or less pointed at the tip, truncate at the base, hairy
on both surfaces when young, becoming rather smooth at maturity, up to 2 1/2 inches long,
often nearly as wide.
- Flowers: Few to many in compound cymes, the branches of the cymes hairy; flowers nearly
1 inch across.
- Sepals: 5, green, united below, hairy, the lobes glandular-toothed, up to 1/4 inch long.
- Petals: 5, white or pink-tinged, free from each other, up to nearly 1/2 inch long.
- Stamens: 10-20.
- Pistils: Ovary inferior; styles 2-5.
- Fruits: Pomes red, ellipsoid, up to 1/3 inch long.
- Notes: The intricate divisions of the leaves make this species a candidate for ornamental use.
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