New Zealand Journal of Botany abstracts
Species of Convolvulus (Convolvulaceae) endemic to New Zealand
P. B. Heenan
B. P. J. Molloy
Landcare Research
P.O. Box 69
Lincoln 8152, New Zealand
P. J. de Lange
Science & Research Unit
Department of Conservation
Private Bag 68908
Newton, Auckland, New Zealand
Abstract Convolvulus waitaha is a new combination
at species rank for plants previously treated as C. verecundus subsp.
waitaha. C. waitaha is distinguished from C. verecundus
and C. fractosaxosa by its less hairy and green leaves, smaller flower,
and the green mid-petaline band on the abaxial surface of the petals. C.
verecundus and C. waitaha have chromosomes with 2n = 22,
the count for C. verecundus being new. A key to the species of Convolvulus
endemic to New Zealand is presented along with notes on their distribution,
habitats, associated vegetation, and conservation status. A new naturalised
species, C. graminetinus, is recognised from Central Otago and is
known only from collections made by D. Petrie in the 1890s.
Keywords Convolvulaceae; Convolvulus; C.
fractosaxosa; C. verecundus; C. waitaha; C. graminetinus;
taxonomy; new combination; New Zealand flora
B02065 Received 3 October 2002; accepted 2 April 2003; online publication
date 11 September 2003
New Zealand Journal of Botany, 2003, Vol. 41: 447-457
0028-825X/03/4103-0447 $7.00 © The Royal Society of New Zealand
2003
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