Laminariales

plural noun

Lam·​i·​nar·​i·​a·​les

: an order of marine brown algae that include many economically important kelps, are largely restricted to cold or polar seas, are distinguished by a complex and often very large sporophyte which is usually differentiated into well-defined holdfast, stipe, and blade, and have microscopic gametophytes

Word History

Etymology

New Latin, from Laminaria + -ales

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