liverwort

Short definition from Wiktionary

Noun

1. 1
   A type of bryophyte with a leafy stem or leafless thallus characterized by a dominant gametophyte stage and a lack of stomata on the sporophyte stage of the life cycle.
2. 2
   A common flowering perennial herb of northern woodlands, Hepatica nobilis (syn. Anemone hepatica), used in traditional European herbal medicine.