hawthorn
Plant
Small to medium tree
Deciduous
Numerous species
Twig
Alternate leaf arrangement
Sharp-pointed thorns on most species
Leaf
Varies by species
1-4" long
Ovate to triangular, some species also lobed
Toothed edges
Flower
½-⅔" wide
In clusters
Usually white, some red or pink
Many with foul odor
Fruit
½-1" long
Round
Red when ripe
In clusters