Crataegus tomentosa - Family, Rose. Color, white. Calyx, a tube with 5 points the length of the petals. Petals and styles, 5. Stamens, many. Fruit, a yellowish, pear-shape pome, inclosing 5 hard seeds. Flowers, 1 to 3 or 4 in corymbs. Leaves, alternate, inversely ovate, simple, thickish, shining above, slightly downy along the veins underneath, petioled, lobed, finely toothed. Stem, spiny, with thorns 1 to 1 1/2 inches long. May and June.
The hawthorn division of the Rose Family contains many beautiful trees, with fine, close foliage, and small, cherry-like blossoms. The only one distinctively a shrub is the dwarf thorn, from 3 to 6 feet high, growing in dry, sandy soil from New Jersey southward.