Having a variety of colorful common names, such as Witch’s Hair, Acid Kelp, and Landlady’s Wig, Desmarestia aculeata is a large seaweed consisting of narrow brown fronds with many side-branches. Its bushy appearance is the reason for it being called landlady’s wig and witch’s hair. The smallest branches are short and spine-like, hence the species name aculeata, which means “prickled.” In summer, the whole plant is covered with delicate branched hairs.
Having a variety of colorful common names, such as Witch’s Hair, Acid Kelp, and Landlady’s Wig, Desmarestia aculeata is...