Gracilaria perplexa K.Byrne & Zuccarello 2002
Publication Details
Gracilaria perplexa K.Byrne & Zuccarello 2002: 302, 303, figs 4 a-g
Published in: Byrne, K., Zuccarello, G.C., West, J., Liao, M.-L. & Kraft, G.T. (2002). Gracilaria species (Gracilariaceae, Rhodophyta) from southeastern Australia, including a new species, Gracilaria perplexa sp. nov.: Morphology, molecular relationships and agar content. Phycological Research 50(4): 295-312.
Request PDFPublication date: December 2002
Type Species
The type species (lectotype) of the genus Gracilaria is Gracilaria compressa (C.Agardh) Greville.
Status of Name
This name is of an entity that is currently accepted taxonomically.
Type Information
Type locality: Bare Island, La Perouse, Botany Bay, New South Wales, Australia; (Byrne et al. 2002: 302) Holotype: K. Byrne & J. Bartlett; 22 May 1999; MELU; 042862 (Byrne et al. 2002: 302) Notes: Isotype: MELU A042863 and A042864, N. Paul, Dec. 1998.
General Environment
This is a marine species.
Description
Terete shoots to 15 cm, branching variable, subdichotomous to four orders, acute tips, sometimes arcuate, primary axes 1.5-1.7 mm diam., cortex 30-40 µm wide, two to four cell layers, with scattered hyaline cells (hair cell bases). Transition to medulla abrupt. Medullary cells, poilygonal, to 250-320 µm diam. Polysiphonia-type life history, gametophytes dioecious, cystocarps globose, rostrate, slightly constricted at base, to 1.3 mm diameter, solitary or sometimes aggregated; traversing filaments directed toward cystocarp cavity floor, carposporangia subspherical to 25 µm diameter, pericarp, 220-270 µm thick with 7-10 cell layers; spermatangia borne in compound conceptacles 50-85 µm across (Polycavernosa-type) in subcortex/outer medulla, tetrasporangia cruciate-decussate, 17-26 x 26-29 µm scattered in outer cortex.
Created: 29 November 2004 by Sandy Lawson.
Last updated: 17 September 2021
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Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=65929
Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 17 September 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 16 April 2024
