Colpomenia sinuosa (Mertens ex Roth) Derbès & Solier, 1851

Belleza, Dominic Franco C., Tateishi, Hiroto, Tanimae, Shin-Ichiro, Kobayashi, Taishun, Aota, Tomoyuki, Urasawa, Toshiki & Nishihara, Gregory N., 2025, An annotated list of brown seaweeds (Phaeophyceae) from Nakadori Island (northern Goto Islands, Nagasaki, Japan), Phytotaxa 694 (1), pp. 1-24 : 12

Colpomenia sinuosa (Mertens ex Roth) Derbès & Solier, 1851

Japanese name: フクロノリ (fukuronori)

Basionym: Ulva sinuosa Mertens ex Roth, 1806

Type locality: —“Inter Algas e mari Atlantico prope Gades”; near Cadiz, Spain

Description and remarks: —Specimens in the collection generally have a saccate and globose shape, with sizes ranging from 2.5–13 cm in width. This species is highly seasonal and was observed across the study sites from March to June, along with Hydroclathrus clathratus .

Although this species is known to vary widely in its morphology, the appearance of this species in our study sites had smooth to sometimes lobed or convoluted surfaces (Lee et al. 2013, Fig. 1 C and D ).

Materials examined: —18ECS1-6 (2 to 19)

Figures

FIGURE 1. A map showing the Goto Islands and the algal collection sites at Nakadori Island (bold text).