Psidium guineense may be confused with Psidium cattleianum (strawberry guava) and Psidium guajava (guava). These species can be distinguished by the following differences:
Psidium cattleianum Afzel. ex Sabine (Introduced)
Psidium guineense Sw. (Introduced)
Psidium (Myrtaceae) page with images of species in efloraofindia : 4 posts by 2 authors.
If you find any incorrect identification, pl. let us know. If anybody can send images of other species of this genera (for incorporation in the website), if any, or can identify unidentified images, it will be really nice.