- Plants
- ›Vascular Plants
- ›flowering plants
- ›monocots
- ›lilies, supplejacks, and allies
- ›Herb-Paris, False Hellebores, Trilliums and allies
- ›Parideae

trilliums
Trillium
Trillium (trillium, wakerobin, toadshade, tri flower, birthroot, birthwort, and sometimes "wood lily") is a genus of about fifty flowering plant species in the family Melanthiaceae. Trillium species are native to temperate regions of North America and Asia, with the greatest diversity of species found in the southern Appalachian Mountains in the southeastern United States.
7 branches of this genus, most-observed first

Trillium subgen. Callipetalon
subgenusCallipetalon

sessile-flowered trilliums
subgenusSessilia

Erectum-group Trilliums
subgenusTrillium

painted trillium
speciesTrillium undulatum

Trillium subgen. Delostylis
subgenusDelostylis

Himalayan Trillium
speciesTrillium govanianum
Trillium taiwanense
speciesTrillium taiwanense
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Trillium in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 49465.