noun
wild harvested nori; rock nori
Refers to naturally growing nori seaweed harvested from rocks, as opposed to cultivated nori. Often used in food contexts.
See also: 海苔
岩海苔は風味が強く、佃煮にすると美味しい。
Rock nori has a strong flavor and is delicious when simmered in soy sauce.
この地域では、冬になると岩海苔の収穫が盛んになる。
In this region, harvesting of wild nori becomes active in winter.
noun
jelly lichen; Collema lichen
A type of lichen that grows on rocks, resembling nori. Primarily a biological term; not commonly used in everyday conversation.
岩海苔の一種であるイワノリは、湿った岩場に生育する。
Iwanori, a type of jelly lichen, grows on damp rocks.
海苔 is the general term for edible nori seaweed, often cultivated. 岩海苔 specifically refers to wild nori harvested from rocks.
Compound of 岩 (iwa, 'rock') and 海苔 (nori, 'nori seaweed'). The name reflects its natural habitat on rocks.