New Zealand Journal of Botany abstract
B96045
Received 12 July 1996; accepted 23 May 1997
New Zealand Journal of Botany, 1997, Vol. 35: 441-449
0028-825X/97/3504-0441 $7.00 (c) The Royal Society of New Zealand 1997
Evolution and biogeography of New Zealand Anaphalis (Asteraceae:
Gnaphalieae) inferred from rDNA sequences
DAVID GLENNY*
Museum of New Zealand Te Papa Tongarewa
P. O. Box 467
Wellington, New Zealand
STEVEN WAGSTAFF
Landcare Research
P. O. Box 69
Lincoln, New Zealand
*Present address: Landcare Research, P. O. Box 69, Lincoln, New Zealand.
Abstract A tree based on DNA sequences from the ITS region of
rDNA of New Zealand members of the tribe Gnaphalieae is presented. The tree
supports recognition of the genus
Anaphalioides. The closest relatives
of this genus are other New Zealand gnaphalioid genera:
Leucogenes,
Raoulia,
Ewartia,
and species currently assigned to
Helichrysum. The tree suggests that there were at least four dispersal
events to New Zealand of ancestors to the present gnaphalioid flora. The tree
provides information on the relationships of other New Zealand genera in the
Gnaphalieae: that
Ewartiothamnus (
Ewartia sinclairii) is not a
sister genus to
Ewartia, that
Leucogenes is not a sister genus to
Leontopodium, and that the New Zealand whipcord
Helichrysum
species do not belong in
Ozothamnus.
Keywords Compositae; Asteraceae; Gnaphalieae;
Anaphalioides; Anaphalis; Antennaria; Ozothamnus;
Ewartia; Ewartiothamnus; Gnaphalium;
Helichrysum; Leontopodium; Leucogenes;
Pseudognaphalium; Raoulia; ITS1; ITS2; internal transcribed
spacers; DNA sequence; New Zealand; Australia; Tasmania
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