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Sargassum polyceratium var. ovatum(Collins) W.R Taylor

PhylumClassOrderFamilyGenusSpecies
PhaeophytaPhaeophyceaeFucalesSargassaceaeSargassumpolyceratium var. ovatum
Habitat
On rocky substratum
Distribution
Europe (Turkey), North America (Florida), Central America (Panama), Caribbean Islands (Bahamas, Barbados, Caicos Islands, Cayman Islands, Cuba, Hispaniola, Jamaica, Lesser Antilles, Puerto Rico, Trinidad & Tobago, and Virgin Islands), South America (Brazil, Colombia, Venezuela), Southwest Asia (Turkey).
Depth
Intertidal to 3 m
Characteristics
Plants brown, crowded, leathery, densely branched to 60 cm high. Distinct holdfast, firmly attached to rocky substratum. Main axis developing from holdfast, and up to 3 cm in length. One to several lateral branches developing from main axis, with secondary branching and sometimes tertiary branching as well. Specimens found do not all have spines on lateral branches, a characteristic of the species. Blades closely crowded, curved, with serrated margin, and dispersed surface cryptostomata. Younger branches with blades to 2.5 cm long and 1 cm wide. Fertile branches with blades to 2.0 cm long and 0.8 cm wide. Air bladders without spines to 4 mm diameter, on short alate stalk to 3 mm in length. Receptacles axillary on blades, dichotomously branched, to 6 mm in length. Specimens analyzed were monoecious, with female and male gametangia in separate conceptacles on the same receptacle.
In Bocas Del Toro
LocalityIsla Carenero, Flat Rock Beach
Compiled by
Olga Camacho-Hadad & Jimena Samper-Villarreal
Links
Reference
Tropical Field Phycology Field Book, STRI, Bocas de Toro, 2008.
Comments
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