''Sideroxylon st-johnianum'' is a species of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...

in the family ''

Sapotaceae 240px, '' Madhuca longifolia'' var. ''latifolia'' in Narsapur, Medak district, India The Sapotaceae are a family of flowering plants belonging to the order (biology)">order Ericales">family (biology)">family of flowering plants belonging to th ...

''. It is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

to Henderson Island,

Pitcairn The Pitcairn Islands ( ; Pitkern: '), officially Pitcairn, Henderson, Ducie and Oeno Islands, are a group of four volcanic islands in the southern Pacific Ocean that form the sole British Overseas Territory in the Pacific Ocean. The four islan ...

. Having been described first as ''Nesoluma st-johnianum'' (1938), this species was transferred to the genus ''

Sideroxylon ''Sideroxylon'' is a genus of trees in the family (biology), family Sapotaceae described as a genus by Carl Linnaeus, Linnaeus in 1753. They are collectively known as bully trees. The generic name is derived from the Greek language, Greek words ...

'' in 2007 as a result of the phylogenetic analyses.

References

Flora of the Pitcairn Islands stjohnianum Vulnerable plants Taxonomy articles created by Polbot Taxa named by Herman Johannes Lam {{Pitcairn-stub