Difference between Mammee Apple and Rubiaceous

MAMMEE APPLE vs RUBIACEOUS: NOUN

The fruit of this tree
A South American fruit tree, Mammea americana
A tropical American tree (Mammea americana) having edible fruit (the mammee apple) with a leathery rind.
Globular or ovoid tropical fruit with thick russet leathery rind and juicy yellow or reddish flesh
Tropical American tree having edible fruit with a leathery rind

Of or pertaining to the large and diverse family of flowering plants known as Rubiaceae.
Of or pertaining to a very large natural order of plants (Rubiaceæ) named after the madder (Rubia tinctoria), and including about three hundred and seventy genera and over four thousand species. Among them are the coffee tree, the trees yielding peruvian bark and quinine, the madder, the quaker ladies, and the trees bearing the edible fruits called genipap and Sierre Leone peach, besides many plants noted for the beauty or the fragrance of their blossoms.

Barbados gooseberry, Canistel, Anchovy pear, Sapote, Bilimbi, Rose apple, Mombin, Marmalade tree, Edible fruit, Hog plum, Pulasan, Mammee tree, Mammee, Mammea americana, Mamey

Souari, Blolly, Twinberry, Pomegranate tree, Lignum rhodium, Sugar bush, Princewood, Woody pear, Bog bilberry, Daisybush, Dangleberry, Honeyberry, Angiospermous tree, Ketembilla, Avocado tree

Star apple, Atemoya, Garambulla, Ceriman, Barbados gooseberry, Canistel, Anchovy pear, Bilimbi, Rose apple, Mombin, Marmalade tree, Edible fruit, Hog plum, Pulasan, Mamey

Souari, Blolly, Twinberry, Pomegranate tree, Lignum rhodium, Sugar bush, Princewood, Woody pear, Bog bilberry, Daisybush, Dangleberry, Honeyberry, Angiospermous tree, Ketembilla, Avocado tree