Gelidium profundum Tronchin & Freshwater 2007
Gelidium profundum Tronchin & Freshwater 2007: 336-338, figs 16-23
Published in: Tronchin, E.M. & Freshwater, D.W. (2007). Four Gelidiales (Rhodophyta) new to southern Africa, Aphanta pachyrrhiza gen. et sp. nov., Gelidium profundum sp. nov., Pterocladiella caerulescens and P. psammophila sp. nov.. Phycologia 46(3): 325-348, 49 figs, 4 tables.
Publication date: May 2007
Status of name
This name is of an entity that is currently accepted taxonomically.
No synonyms are currently included in AlgaeBase.
No habitat entry has yet been made for this entity.
Plants to 25 cm long; uprights compound pinnate (to four orders) with untidy appearance; axis flimsy, irregularly meandering and twisting, cylindrical and up to 1.1 mm wide basally, compressed to flattened and up to 1.5 mm wide distally; branches flattened, variable in length, subtended at broad angles (78º, s =9.5); pinnae straight (0.5-) 0.8-1.5 (-2.0) mm apart with slight basl constrictions, 0.5 -3.5 (-6.0) mm long, shorter (c. 1-3 mm) along lower part of bearing branch, becoming longer and indeterminate along distal part; pinnules on average 544 microns (s = 53) wide, 201 microns (s = 11) thick; apices rounded, apical cell dome-shaped; margins entire except on lower axis and branches where they are notched; holdfast stoloniferous, prostrate branches producing brush-type attachment haptera. Vegetative structure consisting of outer cortex of small, isodiametric cells (3-7 microns in diameter), inner cortex of larger, angular cells (8.-11.0 x 5.5-10.5 microns with a mean length/width ratio of 1.5) and filamentous medulla (cells 13-26 microns in diameter); rhizines concentrated in inner cortex, 3-5 microns in diameter. Fertile structures borne terminally or subterminally on ultimate pinnules; tetrasporangia cruciate to decussate; cystocarps bilocular; spermatangia unknown.
Holotype locality: Protea Banks (Northern Edge), KwaZulu-Natal Province, South Africa (Tronchin & Freshwater 2007: 336). Holotype: E.M. Tronchin; 5 February 2001; On turf-covered aeolianite reef outcrops in warm temperate water; -33 m depth. BOL ET19 (Tronchin & Freshwater 2007: 336). Notes: Holotype: 2 thalli.
Created: 22 November 2007 by Wendy Guiry
Verified by: 22 November 2007 by Wendy Guiry
Accesses: This record has been accessed by users 828 times since it was created.
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Tronchin, E.M. & Freshwater, D.W. (2007). Four Gelidiales (Rhodophyta) new to southern Africa, Aphanta pachyrrhiza gen. et sp. nov., Gelidium profundum sp. nov., Pterocladiella caerulescens and P. psammophila sp. nov.. Phycologia 46(3): 325-348, 49 figs, 4 tables.
Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=132991
Cite this record as:
Guiry, M.D. & Guiry, G.M. 2020. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 01 December 2020.