Johnson, Duperreya 
Conservation status : This species does not 
appear to be under threat and is given no 
conservation status in New South Wales. The 
populations in Queensland are rare and no 
collections have been made during the past 
30 years. 
Acknowledgements 
I gratefully acknowledge the assistance 
provided by David Halford. The curators 
of NSW and PERTH are thanked for 
providing loans for this study. I especially 
thank Dr Gordon Guymer, Director of the 
Queensland Herbarium, for providing space 
and facilities to enable me to continue my 
taxonomic research. I am also grateful to Brian 
Connell and Will Smith for the illustrations. 
References 
Bentham, G. (1869). Convolvulaceae. In Flora 
Australiensis 4: 410-442. L. Reeve & Co.: 
London. 
Choisy, J.D. (1837). De Convolvulaceis dissertatio 
secunda. [A separately paged reprint from 
Memoires de la Societe de Physique et d ’Histoire 
Naturelle de Geneve 8: 43-86], 
- (1845). Convolvulaceae. In A.de Candolle 
(ed.), Prodromus systematis naturalis regni 
vegetabilis 9: 323-465, 565. Fortin, Masson & 
Cie: Paris. 
- (1854). Convolvulaceae. In H.Zollinger, 
Systematisches Verzeichniss 127, 134. Druck 
und Verlag von E. Kiesling: Zurich. 
Cunningham, G.M., Mulham, W.E., Milthorpe, P.L. & 
Leigh, J.H. (1981). Plants of Western New South 
Wales. Government Printer: Sydney. 
Endlicher, S. (1839 [1836-1840]). Genera plantarum. 
BeckUniv. Publ.: Vienna. 
Gaudichaud, C. (1829) (‘1826’). Botany. In L.Freycinet, 
Voyage autour du monde Vol. 1: 433-464 
[published 28 Sept. 1829], PilletAine: Paris. 
Hallier, H. (1893). Versuch einer naturlichenGliederung 
der Convolvulaceen auf morphologischer 
und anatomischer Grundlage. Botanische 
Jahrbiicher fur Systematik 16: 453-591. 
Johnson, R.W. (1992). Convolvulaceae. In G.J.Harden 
(ed.). Flora of New South Wales 3: 373-383. 
New South Wales University Press: Sydney. 
Mueller, F. (1860). Fragmenta Phytographiae 
Australiae. Volume 2. Government Printer: 
Melbourne. 
53 
- (1867). Fragmenta Phytographiae Australiae. 
Volume 6. Government Printer: Melbourne. 
Peter, A. (1891). Convolvulaceae. InA.Engler&K.Prantl 
(eds.). Die naturlichen Pflanzenfamilien IV.3.a: 
1-40. Engelmann: Leipzig. 
Schneider, C. (1916). Convolvulaceae. In C.S.Sargent 
(ed.), Plantae Wilsonianae 3: 355-362, Harvard 
University Press: Cambridge, MA. 
Staples, G. (1987). The genus Porana (Convolvulaceae) 
in Australia. Nuytsia 6: 51-59. 
- (1990). Preliminary taxonomic consideration of 
the Poraneae (Convolvulaceae). Journal of the 
Arnold Arboretum 71: 251-258. 
- (2006). Revision of Asiatic Poraneae 
(Convolvulaceae) - Cordisepalum, Dinetus, 
Duperreya, Porana, Poranopsis, and 
Tridynamia. Blumea 51: 403-491. 
Stefanovic, S., Krueger L. &. Olmstead, R.G. (2002). 
Monophyly of the Convolvulaceae and 
circumscription of their major lineages based 
on DNA sequences of multiple chloroplast loci. 
American Journal of Botany 89: 1510-1522. 
Stefanovic, S., Austin, D.F. & Olmstead, R.G. (2003). 
Classification of Convolvulaceae: a phylogenetic 
approach. Systematic Botany 28: 791-806. 
