New Zealand Journal of Botany abstracts
Pseudowintera insperata (Winteraceae), an overlooked and rare new species from northern New Zealand*
P. B. Heenan
Allan Herbarium
Landcare Research
P. O. Box 69
Lincoln 8152, New Zealand
P. J. de Lange
Research, Development and Information
Department of Conservation
P. O. Box 68908
Newton
Auckland, New Zealand
Abstract Pseudowintera insperata is described as the fourth species of the New Zealand endemic genus Pseudowintera. It is distinguished from the other three species of Pseudowintera
by a combination of characters, including being a small tree with an
upright growth habit, by the broadly obovate to broadly elliptic leaves
that are glossy and without blemishes and blotches, having a
conspicuous pale cream to yellow-green midvein, ciliate inflorescence
bracts, an entire cupule, and black fruit. P. insperata is
known with certainty from only two extant populations in the vicinity
of Whangarei, North Auckland, where it is a canopy emergent of the
scrubby and windshorn forest that grows on skeletal soils and boulder
fall at the base of volcanic rock tors. P. insperata is known
from less than 50 plants at the two extant populations and we recommend
that it has a conservation status of Acutely Threatened/Nationally
Critical.
Keywords Winteraceae; Pseudowintera; P. axillaris; P. colorata; P. insperata; new species; conservation; New Zealand flora
*We dedicate this paper to the memory of David Roger Given FLS (8
November 1943 – 27 November 2005). From the early 1980s he
supported and encouraged our interests in the cultivation,
conservation, and study of the New Zealand flora.
B05037; Received 31 August 2005; accepted 9 November 2005; Online publication date 4 April 2006
New Zealand Journal of Botany, 2006, Vol. 44: 89–98
0028–825X/06/4401–0089 © The Royal Society of New Zealand 2006
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