There are two - Ume (used for umeboshi) and Sumomo, but they are two different species although both referred to as 'Japanese plum.'
The common plum is called Prunus domestica.
plum
Davidson Plum
Sloe
Scientific name: Bouea burmanicaEnglish name: Marian plum​French name:​​​​​​​​​ Prunier de MarianIt is a tropical fruit tree with the height up to 15 m. It fruit has the shape and size similar to the plum - hence the name plum. The green fruit has green color and becomes orange when it is ripe.
Pear is a 4 letter fruit. Plum is another 4 letter fruit.
Plum
The dictionary states that a Plum (as in the fruit) is desirable and superior!
Sapota is the common name for Pouteria sapota. This sweet fruit is made into marmalade plum. To ripen the fruit, wrap in newspaper and store in a cool, dry place for a couple of days.
PLUM. The answer is plum.
The flower is pollinated and the fruit develops to produce the seed.
Berries are fruit.