Cnidium japonicum (species of umbellifer)
A coastal plant in the carrot family; the name is a technical botanical term.
Hamazeri is a plant of the carrot family that grows on sandy coastal areas.
Katakana spelling is common for this plant name; usually written in kana.
Kanji spelling is rare; the plant is usually written in kana.
Compound of 浜 (hama, 'beach') and 芹 (seri, 'water dropwort'), referring to a coastal plant resembling seri.