Difference:

Seaweed, alias (Striped nori)

Striped nori

(1) Nori: altar nori, striped nori, and gan nori are the main cultured species, with very high nutritional value.

(2) Seaweed: a general term for edible algae.

Algae body bright purple-red or slightly blue-green, ovate or long ovate, generally 12-70CM high or more. The base is rounded or heart-shaped, the edge is wrinkled, the cells are neatly arranged, smooth and non-serrated. Chromatophores stellate, located in the center, basal cells extend to ovate or long rod-shaped. Monoecious.

Kelp, alias (spandex, kombu, jiangbai). Distinct from wakame.

Kelp

Perennial large edible algae. Sporangia large, brown, flattened ribbons. Divided into blades, stalks and soliders, soliders are pseudorhizomorphic. The blade is composed of epidermis, cortex and medullary tissues, and there are sporangia in the lower part of the blade. It has a mucus cavity and can secrete slippery substances.