New Zealand Journal of Botany abstracts

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Systematics of New Zealand Inuleae (Compositae-Asteraceae)—2 A numerical phenetic study of Raoulia in relation to allied genera

JOSEPHINE M. WARD

Department of Plant and Microbial Sciences
University of Canterbury
Private Bag 4800
Christchurch, New Zealand

Abstract Seventy-nine individuals representing all species of Raoulia, Ewartia, and Leucogenes, and selected species of Anaphalis, Cassinia, Gnaphalium, Helichrysum, Mniodes, and Pseudognaphalium, were scored for 165 morphological characters. Numerical phenetic analysis showed that, on the basis of overall morphological similarity, Raoulia encompasses two distinct groups worthy of generic rank, as well as several species of uncertain status. Preliminary indications for other genera in New Zealand are that Cassinia, Pseudognaphalium, and Anaphalis (which latter should include Helichrysum bellidioides) are distinct entities, while Helichrysum includes species of several genera, all outside Helichrysum sensu Hilliard & Burtt. Raoulia, Leucogenes, Ewartia, and part of both Gnaphalium sect. Euchiton and Helichrysum sect. Ozothamnus, form a suite of closely related genera.

Keywords Raoulia; Ewartia; Leucogenes; Anaphalis; Cassinia; Gnaphalium; Helichrysum; Pseudognaphalium; Gnaphaliinae; Inuleae; Compositae; Asteraceae; New Zealand; taxonomy; systematics; numerical phenetics

B92026 ; Received 5 June 1992; accepted 1 February 1993
New Zealand Journal of Botany, 1993, Vol. 31: 29-42
0028-825X/93/3101-0029 $2.50/0 © The Royal Society of New Zealand 1993

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