liliaceous

For instance, a solid line between words still denotes synonyms, but a dashed line may indicate that "tulip" is a type of liliaceous plant.

Herbert found some new ones, among others some which Pencroft called "sham leeks"; for, in spite of their size, they were of the same liliaceous family as the onion, chive, shallot, or asparagus.

The first published reference to the plant appears in James Edward Smith's 1807 'An introduction to physiological and systematical botany', where Smith used it to argue that the tepals of liliaceous plants are sepals rather than petals: