Planosiphon McDevit & G.W.Saunders, 2017

Holotype species: Planosiphon complanatus (Rosenvinge) McDevit & G.W.Saunders

Original publication and holotype designation: McDevit, D.C. & Saunders, G.W. (2017). A molecular investigation of Canadian Scytosiphonaceae (Phaeophyceae) including descriptions of Planosiphon gen. nov. and Scytosiphon promiscuus sp. nov. Botany 95: 653–671, 10 figs, 2 tables.

Description: Scytosiphonacean macroalgae with the appearance of a flattened blade, but with either a hollow center (tube) or localized hollow regions; typically without constrictions. Paraphyses lacking among the uniseriate pluilocular structures.

Information contributed by: Original description.. The most recent alteration to this page was made on 2022-08-12 by M.D. Guiry.

Taxonomic status: This name is of an entity that is currently accepted taxonomically.

Gender: This genus name is currently treated as masculine.

Most recent taxonomic treatment adopted: Santiañez, W.J.E. (2018). Taxonomic and molecular phylogenetic studies in the Scytosiphonaceae (Ectocarpales, Phaeophyceae) Dissertation. pp. [1]-120. Sapporo: Department of Natural History Sciences Graduate School of Science Hokkaido University.

Comments: Expanded description: Thalli erect, linear, compressed to flattened; hollow to partially hollow; non-constricted. Plurangia grows extensively throughout the thallus; uniseriate, closely packed, usually covered with cuticle; paraphysis (ascocyst) absent. Prostrate sporophytic thalli Compsonema-like, only bear unangia (Santiañez 2018).

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Contributors
Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in CD format. These AlgaeBase descriptions are now being continually updated, and each current contributor is identified above. The PSA and AlgaeBase warmly acknowledge the generosity of all past and present contributors and particularly the work of Dr Parker.

Descriptions of chrysophyte genera were subsequently published in J. Kristiansen & H.R. Preisig (eds.). 2001. Encyclopedia of Chrysophyte Genera. Bibliotheca Phycologica 110: 1-260.

Linking to this page: https://www.algaebase.org/search/genus/detail/?genus_id=52228

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 12 August 2022. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 22 November 2024