Mez (1902) Myrsine platystigma is a flowering plant in the family Primulaceae.

It is a shrub or tree endemic to Lord Howe Island.

The tiny flowers are greenish white, spotted and streaked reddish brown.

The small round fruits are 3.5–4 mm in diameter and purple when ripe.

[1] The plant is endemic to Australia’s subtropical Lord Howe Island in the Tasman Sea, where it is widespread and commonly found from the lowlands to an elevation of about 400 m.[1] This Primulaceae article is a stub.