161,464 species and infraspecific names are in the database, 22,723 images, 62,896 bibliographic items, 473,550 distributional records.

Porphyra suborbiculata Kjellman 1897

Empire Eukaryota
Kingdom Plantae
Subkingdom Biliphyta
Phylum Rhodophyta
Subphylum Eurhodophytina
Class Bangiophyceae
Subclass Bangiophycidae
Order Bangiales
Family Bangiaceae
Genus Porphyra


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Porphyra suborbiculata Kjellman
Middle intertidal (Nhatrang Bay, South China Sea, Vietnam). 01 Jan 0001. Pham Van Hyuen. © Eduard and Tamara Titlyanova (etitlyanov@mail.ru).

Porphyra suborbiculata Kjellman
© ABC Taxa (eric.coppejans@ugent.be).

Porphyra suborbiculata Kjellman
© ABC Taxa (eric.coppejans@ugent.be).


Cladosiphon zostericola Harvey ex Kützing

Porphyra suborbiculata Kjellman Middle intertidal (Nhatrang Bay, South China Sea, Vietnam)
© Eduard and Tamara Titlyanova (etitlyanov@mail.ru)

Publication details
Porphyra suborbiculata Kjellman 1897: 10, pl. 1: figs 1-3; pl. 2: figs 5-9; pl. 5: figs 4-7

Published in: Kjellman, F.R. (1897). Japanska arter af slägtet Porphyra. Bihang til Kongliga Svenska Vetenskaps-Akademiens Handlingar, Afd. III 23(4): 1-34, 5 plates. [in Swedish]
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Type species
The type species (lectotype) of the genus Porphyra is Porphyra purpurea (Roth) C.Agardh.

Status of name
This name is currently regarded as a synonym of Phycocalidia suborbiculata (Kjellman) Santiañez & M.J.Wynne

Type information
Type locality: Goto-retto, Nagasaki Prefecture, Japan (Silva & al. 1996: 93). Lectotype: J.V.Petersen; 25 May 1881; UPS (Sutherland et al. 2011: 1145). Notes: Syntypes in UPS, L, S.

Heterotypic Synonym(s)
Porphyra areolata Kjellman 1897
Phyllona areolata (Kjellman) Kuntze 1898

General environment
This is a marine species.

Common names

(as Porphyra suborbiculata Kjellman)
Chinese: Tsz Tsai, Tsu Tsoi, Tsu Tsai, Chi Tsai, Hung Tsoi, Hung Tsai, Chi Choy, Hai Tsai, Hai Tso (Madlener 1977), Zi-cai (Arasaki & Arasaki 1983).

English: Red Laver (Madlener 1977).

Japanese: Mambiama, Maruba-amanori (Madlener 1977), Iwanori (Arasaki & Arasaki 1983).

Korean: Kim (Madlener 1977).

Common names used in commerce, often for edible algae
tsu choy {China}

Thallus membranous, orbicular, 2-3-(6) cm high, to 10 cm broad, sessile, commonly aggregate, often overlapping each other, with smooth or slightly undulate margins, purple-red to dark brownish-red, often with lighter marginal stripe, cordate or sometimes cuneate at base with small discoid attachment, Blade monostromatic, thin, (40)-50-70 µm. Margins inrolled, edges dentate. In transverse section, cells 28-30 µm high and 15-25 µm broad, with single, stellate chloroplast. Monoecious, spermatangial and carposporangial patches develop along margins. Growing during autumn-winter season on the uppermost (splash zone) to middle intertidal rocks, exposed to strong wave action.

Detailed distribution with sources (Click to Load)

Source of current name
Santiañez, W.J.E. & Wynne, M.J. (2020). Proposal of Phycocalidia Santiañez & M.J.Wynne nom. nov. to replace Calidia L.-E.Yang & J.Brodie nom. illeg. (Bangiales, Rhodophyta). Notulae Algarum 140: 1-3, no figs.

Key references
Anil Kumar, C. & Panikkar, M.V.N. (1997). Indian species of Porphyra (Rhodophyceae, Bangiales). Feddes Repertorium 108(5-6): 419-423, 2 figs.

Athanasiadis, A. (2016). Phycologia Europaea Rhodophyta Vol. I. pp. [i]-xxxxviii, 1-762. Thessaloniki: Published and distributed by the author.

Broom, J.E., Nelson, W.A., Yarish, C., Jones, W.A., Aguilar Rosas, R. & Aguilar Rosas, L.E. (2002). A reassessment of the taxonomic status of Poprhyra suborbiculata, Poprhyra carolinensis and Porphyra lilliputiana (Bangiales, Rhodophyta) based on molecular and morphological data. European Journal of Phycology 37: 227-235.

Dawes, C.J. & Mathieson, A.C. (2008). The seaweeds of Florida. pp. [i]- viii, [1]-591, [592], pls I-LI. Gainesville, Florida: University Press of Florida.

Kim, H.-S. & Kim, S.-M. (2011). Algal flora of Korea. Volume 4, Number 1. Rhodophyta: Stylonematophyceae, Compsopogonophyceae, Bangiophyceae. Primitive red algae. pp. [1-6], 1-138, figs 1-101. Incheon: National Institute of Biological Resources.

Klein, A.S, Mathieson, A.C., Neefus, C.D., Cain, D.C., Taylor, H.A., Teasdale, B.W., West, A.L., Hehre, E.J., Brodie, J., Yarish, C. & Wallace, A.L. (2003). Identification of north-western Atlantic Porphyra (Bangiaceae, Bangiales) based on sequence variation in nuclear SSU and plastid rbcL genes. Phycologia 42: 109-122, 3 figs, 5 tables.

Mathieson, A.C., Pederson, J.R., Neefus, C.D., Dawes, C.J. & Bray, T.L. (2008). Multiple assessments of introduced seaweeds in the Northwest Atlantic. – ICES Journal of Marine Science, 65: 730–741.. ICES Journal of Marine Science 65: 730-741, 5 figs.

Neefus, C.D., Mathieson, A.C. Bray, T.L. & Yarish, C. (2008). The distribution, morphology and ecology of three introduced asiatic species of Porphyra (Bangiales, Rhodophyta) in the northwestern Atlantic. Journal of Phycology 44(6): 1399-1414.

Silva, P.C., Basson, P.W. & Moe, R.L. (1996). Catalogue of the benthic marine algae of the Indian Ocean. University of California Publications in Botany 79: [i]-xiv, 1-1259.

Tanaka, T. (1952). The systematic study of the Japanese Protoflorideae. Memoirs of the Faculty of Fisheries, Kagoshima University 2(2): 1-92, 41 figs, 23 pls.

Teasdale, B.W., West, A., Klein, A.S. & Mathieson, A.C. (2009). Distribution and evolution of variable group-I introns in the small ribosomal subunit of North Atlantic Porphyra (Bangiales, Rhodophyta). European Journal of Phycology 44(2): 171-182, 3 figs, 5 tables.

Titlyanov, E.A. & Titlyanova, T.V. (2012). Morskiye rasteniya stran Aziatsko-Tikhookeanskogo regiona, ikh ispol'zovaniye i kul'tivirovaniye [Marine plants of the Asian Pacific Region countries, their use and cultivation]. pp. 376, 52 numbered figures, 162 plates. Vladivostok: Dalnauka & A.V. Zhirmunsky Institute of Marine Biology Far East Branch of the Russian Academy of Sciences. [in Russian]

Wynne, M.J. (2005). A check-list of benthic marine algae of the tropical and subtropical western Atlantic: second revision. Beihefte zur Nova Hedwigia 129: 1-152.

Zheng Baofu & Li Jun [Zheng, B.F. & Li, J.] (2009). Flora algarum marinarum sinicarum Tomus II Rhodophyta No. I. Porphyridiales Erythropeltidales Goniotrichiales Bangiales. pp. [1-8], i-xix, 1-[134], pls I-XIII. Beijing: Science Press.

Created: 29 December 1997 by M.D. Guiry

Verified by: 12 January 2021 by M.D. Guiry

Accesses: This record has been accessed by users 4208 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.

(Please note: only references with the binomials in the title are included. The information is from the Literature database.)

Aye-Mon-Sein, D., Ni-Ni-Win, D., San-Tha-Htun, U., Soe-Htun, U. & Ohno, M. (2003). Studies on Porphyra suborbiculata Kjellman (Bangiales, Rhodophyta) from Myanmar. I. The morphology and life history in culture. Bulletin of Marine Sciences and Fisheries Kochi University 22: 65-79.
Broom, J.E., Nelson, W.A., Yarish, C., Jones, W.A., Aguilar Rosas, R. & Aguilar Rosas, L.E. (2002). A reassessment of the taxonomic status of Poprhyra suborbiculata, Poprhyra carolinensis and Porphyra lilliputiana (Bangiales, Rhodophyta) based on molecular and morphological data. European Journal of Phycology 37: 227-235.
Iwasaki, H. & Sasaki, N. (1972). The Conchocelis-phase of Porphyra suborbiculata forma latifolia. Proceedings of the International Seaweed Symposium 7: 364-367.
Monotilla, W.D. & Notoya, M. (2004). Morphological and physiological responses of Porphyra suborbiculata Kjellman (Bangiales, Rhodophyta) blades from five localities. Botanica Marina 47: 323-334, 9 figs, 2 tables.

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Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 14 May 2021.

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