Abstract
A revision of the New Zealand Kunzea ericoides complex is presented. This paper is the final of a series that has explored the systematics of the New Zealand Kunzea complex using cytological and molecular variation, as well as experimental hybridisations between postulated segregates. As a result of those studies ten species, all endemic to New Zealand, are recognised; seven of these are new. One species, Kunzea triregensis sp. nov., is endemic to the Three Kings Islands and another species Kunzea sinclairii, endemic to Aotea (Great Barrier Island). The North Island of New Zealand has seven species, Kunzea amathicola sp. nov., Kunzea salterae sp. nov., Kunzea serotina sp. nov., Kunzea robusta sp. nov., Kunzea tenuicaulis sp. nov., Kunzea toelkenii sp. nov., and Kunzea linearis comb. nov. Of these, Kunzea linearis, Kunzea salterae, Kunzea tenuicaulis and Kunzea toelkenii are endemic to the North Island, and Kunzea amathicola, Kunzea robusta and Kunzea serotina extend to the South Island which also supports one endemic, Kunzea ericoides. Typifications are published for Leptospermum ericoides A.Rich., Leptospermum ericoides var. linearis Kirk, Leptospermum ericoides var. microflorum G.Simps., Leptospermum ericoides var. pubescens Kirk, and Leptospermum sinclairii Kirk, names here all referred to Kunzea. The ecology, conservation, extent of natural hybridisation and some aspects of the ethnobotany (vernacular names) of these Kunzea are also discussed.
Highlights
It has long been recognised that New Zealand populations of Kunzea ericoides (A.Rich) Joy Thomps. are extremely variable (Hooker 1867; Cheeseman 1906, 1925; Allan 1961; Harris 1996; de Lange and Murray 2004, de Lange et al 2005)
At the onset of this investigation in 1999, it became apparent that the available herbarium collections of New Zealand Kunzea were inadequate for a taxonomic revision
Flower diameters were recorded fresh, with all measurements taken in the field using Mitutoyo digimatic callipers
Summary
It has long been recognised that New Zealand populations of Kunzea ericoides (A.Rich) Joy Thomps. are extremely variable (Hooker 1867; Cheeseman 1906, 1925; Allan 1961; Harris 1996; de Lange and Murray 2004, de Lange et al 2005). J. de Lange) B Adult tree of K. robusta showing distinctive growth habit and broad, spreading canopy, North Island, Auckland City
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