Mueller, F.J.H. von (January 1887), Descriptions of new Australian plants (continued). The Victorian Naturalist 3(9): 126-127 [tax. nov.]

• Type: "On the Mossman-River; W. Sayer."

• Etymology: "This new and remarkable plant is named in honour of James McD. Larnach, Esqr., in phytologic appreciation of his sharing as member of the council of our local Geographic Society in the work of promoting the cause of geography in Australia as in New Guinea also, from which exertions botanic science has also benefited."

Mueller, F.J.H. von (1887), Neue Litteratur: Descriptions of new Australian Plants [continued]. Botanisches Centralblatt 30: 213 [secondary reference]

Mueller, F.J.H. von (13 May 1889), Systematic Census of Australian Plants Suppl. 4: 3 [secondary reference]

Mueller, F.J.H. von (December 1889), Second Systematic Census of Australian Plants: 14 [secondary reference]

Bailey, F.M. (1899), The Queensland Flora 1: 105 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 54 [secondary reference]

Kostermans, A.J.G.H. (1969), Kayea Wall. and Mesua L. (Guttiferae). Reinwardtia 7(5): 427 [secondary reference]

• Lectotype: "...typus: W. Sayers [sic; Sayer] (BM), Trinity Bay, Queensland."

• Comment: The original material for Kayea larnachiana F.Muell. consists of several specimens. Kostermans' citation of the "typus" being held at BM is thus here treated as being an effective lectotypification under ICN Art. 9.10 (Shenzhen Code, 2018).

Kostermans, A.J.G.H. (1969), Kayea Wall. and Mesua L. (Guttiferae). Reinwardtia 7(5): 427 [basionym]

basionym of: Mesua larnachiana (F.Muell.) Kosterm. legitimate

Hyland, B.P.M. (1971), A key to the common rainforest trees between Townsville and Cooktown, based on leaf and bark features: 84, Code 560 [secondary reference]

Council of Heads of Australasian Herbaria (2007), Australian Plant Census: - [secondary reference]

orthographic variant: Kaya larnachiana F.Muell. orth. var.

Council of Heads of Australasian Herbaria (2007), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Mesua larnachiana (F.Muell.) Kosterm. legitimate

Cooper, W.E. & Zich, F.A. (29 June 2022), Reinstatement and revision of Kayea Wall. (Calophyllaceae) in Australia, including two new species from Queensland’s Wet Tropics bioregion. Austrobaileya 12: 7, 9-11, Fig. 4, Map 1 [secondary reference]

• Type: “Australia. Queensland. COOK DISTRICT: Mossman’s River, Trinity Bay, s.dat., W. Sayer s.n. (lecto: BM 000611321 i.d.v. [buds present], fide Kostermans (1969: 427); possible isolecto: s.dat., W. Sayer 147A (BRI [AQ0166459] i.d.v. [fruit present], MEL 2227332 i.d.v., [fruit present], MEL 2227333 i.d.v. [flower present]; MEL 2227334 i.d.v. [buds present]; s.dat., W. Sayer 143 (MEL 2227335 i.d.v. [buds present]).”

orthographic variant: Kaya larnachiana F.Muell. orth. var. nomenclatural synonym: Mesua larnachiana (F.Muell.) Kosterm. legitimate

• Text: "The lectotype sheet (BM 000611321) is a rather unfortunate choice due to the absence of handwritten and original labels, but we can see no grounds to supersede it. The remaining original specimens are herein recognised as possible isolectotypes."

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