Petalonia binghamiae (edible brown algae)
A species of edible brown algae; often used in Japanese cuisine, especially in soups and salads.
Habano-ri is often used as an ingredient in miso soup.
We collected habano-ri at the seashore.
Usually written in kana; the kanji form 幅海苔 is rare.
Katakana spelling, common in biological or culinary contexts.
Kanji form; rarely used in practice.
The name likely derives from 幅 (haba, 'width') and 海苔 (nori, 'seaweed'), referring to its broad, leaf-like shape. The exact historical origin is uncertain.