Schottera Guiry & Hollenberg, 1975: 152
Holotype species: Schottera nicaeënsis (J.V.Lamouroux ex Duby) Guiry & Hollenberg
Original publication and holotype designation: Guiry, M.D. & Hollenberg, G.J. (1975). Schottera gen. nov. and Schottera nicaeensis (Lamour. ex Duby) comb. nov. (=Petroglossum nicaeense (Lamour. ex Duby) Schotter) in the British Isles. British Phycological Journal 10: 149-164, 15 figs.
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Taxonomic status: currently recognized as a distinct genus.
Description: Plants reach 10 cm in length and consist of flattened, linear, subdichotomous blades borne on terete stalks arising from a system of prostrate or creeping stolons. Spermatangia form in sori on blade surfaces. Carpogonial branches are 4 celled, and cystocarps have a distinctive cross-sectional structure (Lewis and Kraft 1979) in which isolated large medullary cells are ringed by elongate bearing cells with chains of 2-4 carposporangia. Cystocarps are embedded in the fronds, swelling them to both sides, and lack ostioles. Tetrasporangial nemathecia occur in linear patches oriented at right angles to the line of the bearing frond, often forming several fertile patches in series, the patches occurring congruently on both sides of the frond.
Comments: Distribution: Plants occur on rock, pilings, or mixed with sponges from low intertidal to 15 m depths. The species is recorded from Britain to Portugal and the Mediterranean in the Northern Hemisphere, and from South Africa, southeastern Australia and Chile in the south. Although Lewis and Kraft (1979) speculated that Schottera might be a recent introduction to Australia, as suggested by its association with major ports and lack of early records, Santelices et al. (1989) cast doubt on this theory because of the widespread distribution of the species in Chile, where it had also gone unreported.
NCBI Nucleotide Sequences
Numbers of names and species: There are 2 species (and infraspecific) names in the database at present, of which 2 have been flagged as currently accepted taxonomically.
Names: ('C' indicates a name that is currently accepted taxonomically; 'S' a homotypic or heterotypic synonym; 'U' indicates a name of uncertain taxonomic status, but which has been subjected to some verification nomenclaturally; 'P' indicates a preliminary AlgaeBase entry that has not been subjected to any kind of verification. For more information on a species click on it to activate a link to the Species database):
Schottera angustifolia (Kützing) A.J.K.Millar C
Schottera nicaeënsis (J.V.Lamouroux ex Duby) Guiry & Hollenberg C - type
Information contributed by: G.T. Kraft. The most recent alteration to this page was made on 1 Aug 2008 by M.D. Guiry.
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.
