Halford, D.A. (21 August 1990), Six new species of Hedyotis L. (Rubiaceae) from Northern Australia. Austrobaileya 3(2): 206-208, fig. 2, Map 2 [tax. nov.]

• Type: "Northern Territory. DARWIN & GULF DISTRICT: 7.5 km S of Cooinda on Pine Creek road, 12°58'S, 132°31'E, 20 May 1980, M.Lazarides 8869 (holo: DNA; iso: AD,BRI,CANB,MEL,NSW)."

• Etymology: The specific epithet refers to the slender stems of the species.

Halford, D.A. (9 September 1992), Review of the genus Oldenlandia L. (Rubiaceae) and related genera in Australia. Austrobaileya 3(4): 708 [basionym]

basionym of: Oldenlandia leptocaulis (Halford) Halford legitimate

Gibbons, K.L. (June 2020), Hedyotis, Oldenlandia and related genera (Rubiaceae: Spermacoceae) in Australia: New genera and new combinations in an Asian-Australian-Pacific lineage. Taxon 69(3): 534 [basionym]

basionym of: Scleromitrion leptocaule (Halford) K.L.Gibbons legitimate

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