New Zealand Journal of Botany abstracts
A taxonomic revision of Parahebe (Plantaginaceae) in New Zealand
P. J. Garnock-Jones
School of Biological Sciences
Victoria University of Wellington
P.O. Box 600
Wellington, New Zealand
D. G. Lloyd
School of Biological Sciences
University of Canterbury
Private Bag 4800
Christchurch, New Zealand
Abstract Seventeen species of Parahebe are recognised
for New Zealand, an increase of six from the most recent Flora treatment.
The new species result from division of P. catarractae sens. lat.
into P. catarractae (now confined to Fiordland), P. martinii
(Marlborough), and P. lanceolata (North Island and North-West Nelson);
two new species (P. senex in North-West Nelson and P. spectabilis
in the Takitimu Range); and acceptance of P. brevistylis and P.
laxa at species rank. We also describe two subspecies in P. cheesemanii:
subsp. cheesemanii from Nelson and subsp. flabellata from Arthur’s
Pass. Species limits are discussed in terms of morphological and flavonoid
evidence, and some limited data on natural and artificial hybrids are also
presented. Problems of the generic limits in the Veroniceae are discussed
in relation to Parahebe. Parahebe appears to be paraphyletic and future
changes in nomenclature are likely. This treatment covers the New Zealand
plants treated as Parahebe in recent Floras.
Keywords Plantaginaceae; Parahebe; P. birleyi;
P. brevistylis; P. canescens; P. catarractae; P.
cheesemanii subsp. cheesemanii; P. cheesemanii subsp. flabellata;
P. decora; P. hookeriana; P. lanceolata; P. laxa;
P. linifolia; P. lyallii; P. martinii; P. planopetiolata;
P. senex; P. spathulata; P. spectabilis; P. trifida;
P. ×bidwillii; taxonomy; conservation; New Zealand flora
B03014; Received 14 April 2003; accepted 15 December 2003; Online publication
date 3 June 2004
New Zealand Journal of Botany, 2004, Vol. 42: 181-232
0028-825X/04/4202-0181 © The Royal Society of New Zealand 2004
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