Argyrotegium, a new genus of Gnaphalieae (Compositae)

Argyrotegium, a new genus of Gnaphalieae (Compositae)

Euchiton mackayi and E. nitidulus lack the definitive characters of Euchiton, namely stolons and paired papillae on the cypsela epidermis. A morphological comparison of species of Euchiton from New Zealand and Australia, supplemented by published data on other species and genera, demonstrates that E...

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Bibliographic Details
Published in:New Zealand journal of botany Vol. 41; no. 4; pp. 603 - 611
Main Authors: Ward, Josephine M., Breitwieser, Ilse, Flann, Christina
Format: Journal Article
Language:English
Published: Taylor & Francis Group 01-12-2003
Subjects:
Argyrotegium fordianum
Argyrotegium mackayi
Argyrotegium nitidulum
Argyrotegium poliochlorum
Asteraceae
Australia
Compositae
Euchiton fordianus
Euchiton mackayi
Euchiton nitidulus
Euchiton poliochlorus
Gnaphalieae
new genus
New Zealand
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Summary:Euchiton mackayi and E. nitidulus lack the definitive characters of Euchiton, namely stolons and paired papillae on the cypsela epidermis. A morphological comparison of species of Euchiton from New Zealand and Australia, supplemented by published data on other species and genera, demonstrates that E. fordianus, E. mackayi, E. nitidulus, and E. poliochlorus are morphologically distinct from the remainder of Euchiton and from all other genera of Gnaphalieae. This is supported by published evidence from ITS sequences. Euchiton fordianus, E. mackayi, E. nitidulus, and E. poliochlorus are transferred to a new genus, Argyrotegium, and new combinations are made.
ISSN:0028-825X
1175-8643
DOI:10.1080/0028825X.2003.9512873