[2] It is similar in appearance to S. littoreus, but that species has hard, sharp leaves capable of drawing blood, whereas the leaves of S. longifolius are a good deal softer.

[3] It was first published by Robert Brown in his 1810 Prodromus Florae Novae Hollandiae.

[4][5] It occurs on coastal dunes of white sand, in Australia, Indonesia, and Thailand.

[1][6] In Australia, it occurs from Cape Leeuwin in Western Australia, north and east to the western edge of Cape York Peninsula in Queensland.

[7] The Noongar people of southwest Western Australia used the juice from the young tips of the plant to drip into eyes as a relief for conjunctivitis.