What's the difference between butterwort and pinguicula?

Butterwort

Definition:

• (n.) A genus of low herbs (Pinguicula) having simple leaves which secrete from their glandular upper surface a viscid fluid, to which insects adhere, after which the margin infolds and the insects are digested by the plant. The species are found mostly in the North Temperate zone.

Example Sentences:

• (1) CP are remarkable for their variety: the Laura Ashley glamour of the pitcher plant (sarracenia) in flower is fast replaced by the psychedelic trumpets of its pitchers; the butterwort Pinguicula gypsicola is part-monster, part-primrose with a flower that looks like a rabbit's face.
• (2) In the New Forest look underfoot for sundews, butterworts and even the odd Venus flytrap.

Pinguicula

Definition:

• (n.) See Butterwort.

Example Sentences:

• (1) CP are remarkable for their variety: the Laura Ashley glamour of the pitcher plant (sarracenia) in flower is fast replaced by the psychedelic trumpets of its pitchers; the butterwort Pinguicula gypsicola is part-monster, part-primrose with a flower that looks like a rabbit's face.