Padina okinawaensis Ni-Ni-Win, S.Arai & H.Kawai 2010

Publication Details
Padina okinawaensis Ni-Ni-Win, S.Arai & H.Kawai 2010: 142, figs 4, 5, 15-20

Published in: Ni-Ni-Win, Hanyuda, T., Arai, S., Uchimura, M., Prathep, A., Draisma, S.G.A., Soe-Htun & Kawai, H. (2010). Four new species of Padina (Dictyotales, Phaeophyceae) from the western Pacific Ocean, and reinstatement of Padina japonica. Phycologia 49: 136-153.

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Type Species
The type species (holotype) of the genus Padina is Padina pavonica (Linnaeus) Thivy.

Status of Name
This name is of an entity that is currently accepted taxonomically.

Type Information
Type locality: Awase, Okinawa Island, Okinawa Prefecture, Japan; (Ni-Ni-Win & al. 2010: 143) Holotype: S. Arai; 19 November 2006; subtidal up to 15 m deep; SAP; 106474 (Ni-Ni-Win & al. 2010: 143)

General Environment
This is a marine species.

Thalli semicircular or circular, with entire margin, wider than tall at up to 7 cm wide and 5 cm tall, moderately to heavily calcified on both surfaces, attached by stupose base with short stipe up to 4 mm long and 3 mm wide, two cell layers thick throughout. Concentric hair lines alternating between both surfaces and equidistant, forming a reddish-brown line at the upper end of a broad depressed line (0.5–1 mm wide) on inferior surface but inconspicuous lines on superior surface. Thalli dioecious: Oogonia and tetrasporangia in small groups or in broken lines emerging from the calcium layer, a little more distal than hair lines on inferior surface, obovate, 78.25 ± 2.02 µm wide, 106.25 ± 3.58 µm long, and 82.25 ± 2.22 µm wide, 116.25 ± 3.93 µm long, respectively.

Created: 05 May 2010 by M.D. Guiry.

Last updated: 02 September 2015

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Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 02 September 2015. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.; searched on 29 November 2022

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