Acorus calamus
According to the organisation's website, the name "Zi Teng" is the Chinese for "Acorus calamus". "The plant is described as extraordinarily tough and strong, often growing unnoticeably alongside with other wild grasses." The organisation uses "Zi Teng" to symbolise the character of tough but low-profile working women. Other sources, however, translate Zi Teng as "Wisteria sinensis"., while "Acorus calamus" is in .