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Gelidium koshikianum S.Shimada, H.Horiguchi & M.Masuda 2000

Publication details
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

Type species
The type species (holotype) of the genus Gelidium is Gelidium corneum (Hudson) J.V.Lamouroux.

Status of name
This name is currently regarded as a synonym of Gelidium johnstonii Setchell & N.L.Gardner

Synonym(s)
No synonyms are currently included in AlgaeBase.

General environment
This is a marine species.

Description
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

Type information
Nagahama, Shimo-Koshiki Island, Koshiki Islands, Kagoshima Prefecture (Shimada, Horiguchi & Masuda 2000: 42). Holotype: Shimada, S.; 31 March, 1997; (Shimada, Horiguchi & Masuda 2000: 42).

Detailed distribution with sources (Click to Load)

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
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.

References
(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

Citing AlgaeBase
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.

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