Pityophykos Papenfuss, 1958

Holotype species: Pityophykos tasmanica (Sonder) Papenfuss

Original publication and holotype designation: Papenfuss, G.F. (1958). Notes on algal nomenclature. IV. Various genera and species of Chlorophyceae, Phaeophyceae and Rhodophyceae. Taxon 7: 104-109.

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Description: Upright branched polysiphonous cylindrical thalli, up to 25 cm high, 4 pericentral cells, with pseudoparenchymatous and rhizoidal cortication. Axes clothed with determinate branchlets, approximately 1 mm long, arranged in 3/8 (1/4 in some accounts) spiral, branchlets dorsiventrally flattened and lobed, each lobe ending in monosiphonous, colorless, deciduous hairs (trichoblasts?); branchlet expanding laterally into narrow monosiphonous alae with bases oriented transversally on axis and with adaxial concave surface. Tetrasporangia in a row on polysiphonous part of branchlet, 1 per segment. A single determinate branch may have two cystocarps according to J. Agardh (in De Toni, 1903:970).

Information contributed by: R.E. Norris. The most recent alteration to this page was made on 2015-04-27 by M.D. Guiry.

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

Most recent taxonomic treatment adopted: Schneider, C.W. & Wynne, M.J. (2007). A synoptic review of the classification of red algal genera a half a century after Kylin's "Die Gattungen der Rhodophyceen". Botanica Marina 50: 197-249.

Comments: Rare, southern Australia (Tasmania).

Similar to Chiracanthia but with different orientation and form of branchlets, including monosiphonous hairs which are unknown in Chiracanthia.

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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Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in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=42877

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 27 April 2015. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 29 March 2024

 
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