New Zealand Journal of Botany abstract

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B97073
Received 8 October 1997; accepted 12 January 1998

Mazus novaezeelandiae (Scrophulariaceae): taxonomy, distribution, habitats, and conservation

P. B. HEENAN

Landcare Research
P. O. Box 69
Lincoln, New Zealand

Abstract  Mazus novaezeelandiae subsp. impolitus is a new subspecies distinguished from M. novaezeelandiae subsp. novaezeelandiae by dull or matt leaves with a prominent brown margin. It occurs on alluvial and sand soils. A form with distinct hairy margins and a restricted distribution is described as M. novaezeelandiae subsp. impolitus f. hirtus. Mazus novaezeelandiae subsp. novaezeelandiae has shiny leaves and is associated with lowland kahikatea-hardwood forest, or the sites of former kahikatea forest, and is known from few locations. The distribution, habitats, reproductive biology, and conservation status of the taxa are assessed, and a key is provided to the species of Mazus in New Zealand.

Keywords  Scrophulariaceae; Mazus; M. novaezeelandiae; M. novaezeelandiae subsp. impolitus; Mazus novaezeelandiae subsp. impolitus f. hirtus; new subspecies; taxonomy; conservation; New Zealand flora

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