Morphological and taxonomic relationships among branched, ligulate members of the genus Desmarestia (Phaeophyceae, Desmarestiales), with particular reference to South African D . firma
An examination is made of the reproductive anatomy and the morphology of branched, ligulate members of the genus Desmarestia from worldwide localities. Entities from southern Africa, New Zealand, South America, Gough Island, northwestern America, and Europe show varying degrees of morphological over...
Published in: | Canadian Journal of Botany |
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Canadian Science Publishing
1985
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Online Access: | http://dx.doi.org/10.1139/b85-054 http://www.nrcresearchpress.com/doi/pdf/10.1139/b85-054 |
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crcansciencepubl:10.1139/b85-054 2023-12-17T10:21:01+01:00 Morphological and taxonomic relationships among branched, ligulate members of the genus Desmarestia (Phaeophyceae, Desmarestiales), with particular reference to South African D . firma Anderson, Robert James 1985 http://dx.doi.org/10.1139/b85-054 http://www.nrcresearchpress.com/doi/pdf/10.1139/b85-054 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Botany volume 63, issue 3, page 437-447 ISSN 0008-4026 Plant Science journal-article 1985 crcansciencepubl https://doi.org/10.1139/b85-054 2023-11-19T13:38:52Z An examination is made of the reproductive anatomy and the morphology of branched, ligulate members of the genus Desmarestia from worldwide localities. Entities from southern Africa, New Zealand, South America, Gough Island, northwestern America, and Europe show varying degrees of morphological overlap, but all possess sporangia similar in size and shape to, and scattered among, the vegetative cortical cells. Specimens from Signy Island (South Orkneys) have sporangia subtended by stalk cells, interspersed with sterile paraphyses, and arranged in a palisadelike sorus (Antarctic type). The taxonomic implications of these findings are discussed. The New Zealand and Gough entities are referred to D. ligulata (Stackhouse) Lamouroux and the name D. firma (C.Ag.) Skottsb. is retained for the southern African entity. Article in Journal/Newspaper Antarc* Antarctic Signy Island Canadian Science Publishing (via Crossref) Antarctic New Zealand Signy Island ENVELOPE(-45.595,-45.595,-60.708,-60.708) Gough ENVELOPE(159.367,159.367,-81.633,-81.633) Canadian Journal of Botany 63 3 437 447 |
institution |
Open Polar |
collection |
Canadian Science Publishing (via Crossref) |
op_collection_id |
crcansciencepubl |
language |
English |
topic |
Plant Science |
spellingShingle |
Plant Science Anderson, Robert James Morphological and taxonomic relationships among branched, ligulate members of the genus Desmarestia (Phaeophyceae, Desmarestiales), with particular reference to South African D . firma |
topic_facet |
Plant Science |
description |
An examination is made of the reproductive anatomy and the morphology of branched, ligulate members of the genus Desmarestia from worldwide localities. Entities from southern Africa, New Zealand, South America, Gough Island, northwestern America, and Europe show varying degrees of morphological overlap, but all possess sporangia similar in size and shape to, and scattered among, the vegetative cortical cells. Specimens from Signy Island (South Orkneys) have sporangia subtended by stalk cells, interspersed with sterile paraphyses, and arranged in a palisadelike sorus (Antarctic type). The taxonomic implications of these findings are discussed. The New Zealand and Gough entities are referred to D. ligulata (Stackhouse) Lamouroux and the name D. firma (C.Ag.) Skottsb. is retained for the southern African entity. |
format |
Article in Journal/Newspaper |
author |
Anderson, Robert James |
author_facet |
Anderson, Robert James |
author_sort |
Anderson, Robert James |
title |
Morphological and taxonomic relationships among branched, ligulate members of the genus Desmarestia (Phaeophyceae, Desmarestiales), with particular reference to South African D . firma |
title_short |
Morphological and taxonomic relationships among branched, ligulate members of the genus Desmarestia (Phaeophyceae, Desmarestiales), with particular reference to South African D . firma |
title_full |
Morphological and taxonomic relationships among branched, ligulate members of the genus Desmarestia (Phaeophyceae, Desmarestiales), with particular reference to South African D . firma |
title_fullStr |
Morphological and taxonomic relationships among branched, ligulate members of the genus Desmarestia (Phaeophyceae, Desmarestiales), with particular reference to South African D . firma |
title_full_unstemmed |
Morphological and taxonomic relationships among branched, ligulate members of the genus Desmarestia (Phaeophyceae, Desmarestiales), with particular reference to South African D . firma |
title_sort |
morphological and taxonomic relationships among branched, ligulate members of the genus desmarestia (phaeophyceae, desmarestiales), with particular reference to south african d . firma |
publisher |
Canadian Science Publishing |
publishDate |
1985 |
url |
http://dx.doi.org/10.1139/b85-054 http://www.nrcresearchpress.com/doi/pdf/10.1139/b85-054 |
long_lat |
ENVELOPE(-45.595,-45.595,-60.708,-60.708) ENVELOPE(159.367,159.367,-81.633,-81.633) |
geographic |
Antarctic New Zealand Signy Island Gough |
geographic_facet |
Antarctic New Zealand Signy Island Gough |
genre |
Antarc* Antarctic Signy Island |
genre_facet |
Antarc* Antarctic Signy Island |
op_source |
Canadian Journal of Botany volume 63, issue 3, page 437-447 ISSN 0008-4026 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/b85-054 |
container_title |
Canadian Journal of Botany |
container_volume |
63 |
container_issue |
3 |
container_start_page |
437 |
op_container_end_page |
447 |
_version_ |
1785528667464531968 |