Species of flowering plant
Steyermarkia is a monotypic genus of flowering plants belonging to the family Rubiaceae. It only contains one known species, Steyermarkia guatemalensis 
It is native to south-eastern Mexico and Guatemala.
The genus name of "Steyermarkia" is in honour of Julian Alfred Steyermark (1909–1988), an American botanist. The Latin specific epithet of "guatemalensis" means coming from Guatemala, where the plant was found.
Both the genus and the species were first described and published in Publ. Field Mus. Nat. Hist., Bot. Ser. Vol.22 on page 216 in 1940.
References.
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