Sargassum pacificum Bory 1828

Publication Details
Sargassum pacificum Bory 1828: 123

Published in: Bory de St. Vincent, J.B. (1828). Botanique, Cryptogamie. In: Voyage autour du monde, exécuté par ordre du Roi, sur la corvette de Sa Majesté, la Coquille, pendant les années 1822, 1823, 1824 et 1825. (Duperrey, L.I. Eds), pp. 97-200. Paris: Bertrand.

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Type Species
The type species (holotype) of the genus Sargassum is Sargassum bacciferum (Turner) C.Agardh.

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

Type Information
Syntype localities: Chile; Port Praslin, New Ireland; Tahiti; (Bory de St. Vincent 1828: 123) Lectotype: Dumont d'Urville; PC; AB14917 (Howe 1914: 66) Notes: Lectotype from Conception, Chile; Lectotypified by Howe 1914: 66 (Matteo et al. 2008: 1550).

Origin of Species Name
Adjective A (Latin), pertaining to the Pacific Ocean.

General Environment
This is a marine species.

Description
Thallus overall shape ovate; holdfast coalescent and flat; main axes cylindrical and warty; secondary axes cylindrical and smooth; leaves of the lower part of the thallus olive green, oval or oblong to lanceolate (rarely linear), pedicels short, margins undulate or serrate, apex obtuse, rounded or acute, midrib percurrent, cryptostomata thin and few, randomly arranged on the surface of the leaf; leaves of the upper part of the thallus cashew brown, sessile, simple, margin undulate or serrulate to finely dentate, apex acute or rounded, rarely bifid, midrib percurrent, cryptostomata thin and randomly arranged on the surface of the leaf, sometimes in one row on each side of the midrib; vesicles spherical or oval, smooth or with a thin spine-like or leaf-like mucro, pedicels terete, thin or leaf like with smooth or serrate margins, of the same size or longer than vesicles; receptacles bisexual (distinct male and female conceptacles in a same receptacle), branched, cylindrical, lanceolate, smooth or with some rare, minute teeth-like protuberances; receptacles can be mixed with small leaves or vesicles.

Habitat
In French Polynesia, this species occur in the Society Archipelago where it grows in shallow waters to 1 m deep in lagoon, in sheltered areas of fringing reef, on coral heads of the barrier reef, or as dense belts on the rim margin in exposed areas of the reef flat (Matteo et al. 2008: 1550).

Created: 29 October 1999 by M.D. Guiry.

Last updated: 04 December 2017

Verification of Data
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Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=20928

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 04 December 2017. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 28 March 2024

 
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