Gelidium koshikianum S.Shimada, H.Horiguchi & M. 2000
Gelidium koshikianum S.Shimada, H.Horiguchi & M.Masuda 2000: 37, figs 13-22
Published in: Shimada, S., Horiguchi, T. & Masuda, M. (2000). Two new species of Gelidium (Rhodophyta, Gelidiales), Gelidium tenuifolium and Gelidium koshikianum, from Japan. Phycological Research 48: 37-46.
Publication date: March 2000
Status of name
This name is currently regarded as a synonym of Gelidium johnstonii Setchell & N.L.Gardner
No synonyms are currently included in AlgaeBase.
This is a marine species.
Erect axes 5-8 cm tall, cartilaginous, orange to purplish-red, terete to subterete, 320-480 µm in diameter in the basal region, becoming compressed upward, reaching up to 2.5 mm in width and 240-360 µm in thickness in the mid-region, bearing lateral branches of up to three orders in an opposite manner at intervals of 0.8-1.4 mm; first-order indeterminate branches terete to subterete, 400-640 µm in diameter in the proximal region, becoming compressed upward, reaching up to 1.6 mm in width and 200-240 µm in thickness in the mid-region. Tetrasporangia irregularly disposed at the apices of short determinate branches, cruciately or decussately divided, 48-64 µm long and 20-44 µm wide; cystocarps formed in the middle portion of short determinate branches; spermatangia unknown
Nagahama, Shimo-Koshiki Island, Koshiki Islands, Kagoshima Prefecture (Shimada, Horiguchi & Masuda 2000: 42). Holotype: Shimada, S.; 31 March, 1997; (Shimada, Horiguchi & Masuda 2000: 42).
Source of current name
Boo, G.H., Kim, K.M., Nelson, W.A., Riosmena-Rodríguez, R., Yoon, K.J. & Boo, S.M. (2014). Taxonomy and distribution of selected species of the agarophyte genus Gelidium (Gelidiales, Rhodophyta). Journal of Applied Phycology 26: 1243-1251.
Created: 06 January 2005 by Sandy Lawson
Verified by: 19 April 2014 by M.D. Guiry
Accesses: This record has been accessed by users 872 times since it was created.
Verification of data
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(Please note: only references with the binomials in the title are included. The information is from the Literature database.)
Shimada, S., Horiguchi, T. & Masuda, M. (2000). Two new species of Gelidium (Rhodophyta, Gelidiales), Gelidium tenuifolium and Gelidium koshikianum, from Japan. Phycological Research 48: 37-46.
Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=66147
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2020. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 05 December 2020.