Ecklonia is a genus of kelp belonging to the family Lessoniaceae.
The genus name of Ecklonia is in honour of Christian Friedrich Ecklon, who was a Danish botanical collector and apothecary.
The genus was circumscribed by Jens Wilken Hornemann in Kongl. Danske Vidensk. Selk. Naturvidenskab. Math. Afh. Vol.3 on pages 385–388 in 1828. From Wikipedia