Meristotheca papulosa; a type of edible red seaweed
A species of red algae used in Japanese cuisine, especially in salads and as a garnish. The name literally means 'cockscomb seaweed' due to its appearance.
Tosakanori is often used as a garnish for sashimi.
This seaweed salad contains tosakanori.
海苔 is a general term for edible seaweed, especially laver, while トサカノリ refers specifically to Meristotheca papulosa.
刺身のつま refers to the garnishes served with sashimi, of which トサカノリ is one type.
Katakana spelling is standard for this species name; usually written in kana.
Kanji spelling is rare and mainly used in scientific or formal contexts; the word is usually written in kana.
The name トサカノリ (鶏冠海苔) literally means 'cockscomb seaweed', from 鶏冠 (とさか, cockscomb) and 海苔 (のり, seaweed), referring to the frilly, comb-like shape of the alga.