western trillium

Trillium ovatum var. ovatum

Member of pacific trillium (Trillium ovatum)
trilliums (genus Trillium)
trillium family (family Melanthiaceae)
monocots (class Liliopsida)
pale purple, white in flowering plants

There are no other wild members of this species in the bay area.

flower is stalked
stamens are yellow or ± white
the local subspecies is ssp. ovatum

See also california fetid adderstongue (Scoliopus bigelovii).

Chris’s observations: 25 (23 are research grade)

Locations:

Butano SP: 3
Nisene Marks SP: 3
El Corte de Madera OSP: 2
Portola Redwoods SP: 2
Purisima Creek Redwoods OSP: 2
San Pedro Valley CP: 2
Wilder Ranch SP: 2
Big Basin SP
Dr. Aurelia Reinhardt Redwood RP
Henry Cowell Redwoods SP
Henry Cowell Redwoods SP - Fall Creek Unit
Mt. Madonna SP
Mt. Tamalpais Watershed
Pescadero Creek CP
Russian Ridge OSP
Sam McDonald CP

Months:

Feb.: 2
Mar.: 2
Apr.: 2
May: 7
Jun.: 3
Jul.: 4
Aug.: 4
Sep.: 1

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Not all sites agree about the scientific name:

Trillium ovatum var. ovatum → iNaturalist – FNA
Trillium ssp. ovatum → Calflora – CalPhotos – Jepson eFlora

Bay Area species: iNaturalist – Calflora