Arum and Lords-and-ladies

Arum noun - Any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spathe.

Lords-and-ladies and arum are semantically related. In some cases you can replace phrase "Lords-and-ladies" with "Arum", this terms are similar.

Lords-and-ladies noun - Common European arum with lanceolate spathe and short purple spadix; emerges in early spring; source of a starch called arum.

Arum and lords-and-ladies are semantically related. You can use "Arum" instead a noun phrase "Lords-and-ladies".