What does "curry plant" mean?

A perennial herb with silvery foliage that smells like curry powder, Helichrysum italicum

What is a synonym for "curry plant"?

Common synonyms include: immortelle.

noun

noun ·Rare ·Advanced level

Noun

1
A perennial herb with silvery foliage that smells like curry powder, Helichrysum italicum uncountable, usually