156,364 species and infraspecific names are in the database, 22,021 images, 60,434 bibliographic items, 446,051 distributional records.

Chorda asiatica Sasaki & Kawai

Publication details
Chorda asiatica Sasaki & Kawai 2007: 18, 19, figs 19-21

Published in: Sasaki, H. & Kawai, H. (2007). Taxonomic revision of the genus Chorda (Chordaceae, Laminariales) on the basis of sporophyte anatomy and molecular phylogeny. Phycologia 46: 10-21.

Type species
The type species (holotype) of the genus Chorda is Chorda filum (Linnaeus) Stackhouse.

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

No synonyms are currently included in AlgaeBase.

General environment
This is a marine species.

Sporophyte macroscopic, epilithic, subtidal, solitary or sparse, simple, cord-shaped, 1.0-2.0 (-5.0) m in length and 1.5-3.5 mm in diameter, medium brown to dark brown, parenchymatous, hollow, composed of hypha, cortex, epidermis, and hairs, unicellular paraphyses without mucilagenous cap, and disc-shaped rhizoidal holdfast. Cortex dense composed of 4-8 cells. Unilocular sporangia sessile and narrowly ovate. Microscopic gametophytes dioecious, sexually dimorphic, oogamous. Antheridium solitary. Sporophytic as well as gametophytic cells containing many disc-shaped chloroplasts without pyrenoid. Nucleotide sequences of rbcL and ITS rDNA distinctive (ITS1 rDNA sequence AB263977).

Type information
Holotype locality: Ohma, Aomori Prefecture, Japan (Saskai & Kawai 2007: 19). Holotype: H. Kawai; 15 June 2006; SAP 101396 (Saskai & Kawai 2007: 19, 18).

Detailed distribution with sources (Click to Load)

Key references
Klochkova, N.G., Korolyova, T.N. & Kusidi, A.E. (2009). [Atlas of algae-macrophytes Kamchatka waters. Vol 1. Green algae and brown algae]. pp. 1-216. Petropavlovsk-Kamchatsky: KamchatNIRO Press. [in Russian]

Created: 31 January 2007 by Wendy Guiry

Verified by: 23 December 2011 by M.D. Guiry

Accesses: This record has been accessed by users 491 times since it was created.

Verification of data
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Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=131939

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2019. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 22 September 2019.

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