Syzygium erythrocalyx, commonly known as Johnstone River satinash, is a rainforest tree native to North Queensland, Australia. The tree is up to 30 ft (10 m) in height, with large, broad elliptical leaves to 20 cm long, prominent veined, and red new growth. The edible red fruit is up to 4 cm wide.^[1]

Syzygium erythrocalyx
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Myrtales
Family:	Myrtaceae
Genus:	Syzygium
Species:	S. erythrocalyx
Binomial name
Syzygium erythrocalyx (C.T.White) B.Hyland

It is cultivated in Australia to a limited extent as a feature tree. The edible fruit have a wild apple-like flavour and can be used in preserves, sauces and beverages.