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Australian Systematic Botany Australian Systematic Botany Society
Taxonomy, biogeography and evolution of plants
Australian Systematic Botany

Australian Systematic Botany

Volume 36 Number 3 2023

SB23001Nine new species of Australian Nicotiana (Solanaceae)

Mark W. Chase 0000-0002-9927-4938, Maarten J. M. Christenhusz 0000-0003-1398-8743, Luiz A. Cauz-Santos 0000-0003-1694-2433, Felipe Nollet 0000-0002-1362-685X, Jeremy J. Bruhl 0000-0001-9112-4436, Damien D. Andrew 0000-0001-8675-066X, Ruth Palsson 0000-0003-1460-8239, Richard W. Jobson 0000-0002-1822-9634, Guy M. Taseski 0000-0003-2243-3408 and Rosabelle Samuel 0000-0003-0197-4854
pp. 167-205

Following additional work in herbaria and the field, we describe here nine new species of Nicotiana (Solanaceae) and provide a phylogenetic tree of nuclear DNA data to support their description. Most are illustrated, also including for some their closest relative. Some of these are widespread and known from many herbarium accessions, but others have little or no previous history of occurrence.

SB22007Pittosporum (Pittosporaceae) in Malesia and Papuasia

Lindy W. Cayzer 0000-0002-4645-7001, Timothy M. A. Utteridge 0000-0003-2823-0337 and Gregory T. Chandler 0000-0002-0905-6823
pp. 206-275
Graphical Abstract Image

Pittosporum, part of the east Gondwanan family Pittosporaceae, is an attractive genus of horticulturally important trees and shrubs found in mainly temperate and tropical areas in the Pacific and Indian Oceans, but not naturally in the Americas. The genus is undergoing a worldwide revision and this report details a reappraisal of Pittosporum in Malesia and Papuasia. From just 13 species accepted in these regions in the 1950s, 52 species are now recognised, with many species reinstated from synonymy, and four new species are described.

Committee on Publication Ethics

Best Student Paper

The Best Student Paper published in 2023 has been awarded to Harvey K. Orel.

Plant Systematics and Biogeography in the Australasian Tropics

Special Issues vol. 31 nos 5 & 6, vol. 32 nos 2 & 3 and vol. 32 no. 4 form special editions on Plant Systematics and Biogeography in the Australasian Tropics containing Part 1, Part 2 & Part 3, respectively.

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