It can be known by many different names, such as the Inch plum, Bigtree plum, but is commonly known as the Mexican plum. The common wild form of the Mexican plum ranges from Missouri to eastern Kansas to Texas. The Genus and the subgenus are the same for this tree; it is Prunus. The Section is the Prunocerasus. The Family is the Rosaceae. The Subfamily is the
Amygdaloideae and the Tribe is the Amygdaleae.
This plum tree blooms bright white hermaphroditic flowers in the spring that are pollinated by insects. During the fall, the leaves turn bright orange and red. The Mexican plum tree is a single-trunked tree, unlike many native plums that are multi-trunked.
This deciduous tree can grow to from 15 to 35 feet tall, the white fragrant flowers display before the leaves appear. The trunk of the mature Mexican plum are satiny, blue-grey and the striations are horizontal and have flaky or peeling bark. The foliage characteristics can be up to two inches wide and five inches long, it is ovate with serrate margins. They have small glands on the petiole near the base of the blade. It begins its flowering season in April and ends in May. The plums from this tree start out as yellow and then turn to mauve as they ripen, ending in a purple fruit. The harvest season is from July to September.
This tree is considered to be a small tree with moderate water and moderate growth rate. The soil conditions it can survive in range from light (sandy), medium (loamy) to heavy (clay) and it prefers well-drained soils. It is suitable for soils that are neutral and alkalinity. It can grow in no shade to semi-shaded areas and prefers a moist soil, but can be drought tolerate.