western starflower

Lysimachia latifolia

Member of starflowers (section Trientalis)
loosestrifes (genus Lysimachia)
cape myrtle subfamily (subfamily Myrsinoideae)
primrose family (family Primulaceae)
dicots (class Magnoliopsida)
pale purple in flowering plants

Chris’s observations: 35 (all are research grade)

Locations:

Castle Rock SP: 3
Purisima Creek Redwoods OSP: 3
Russian Ridge OSP: 3
San Pedro Valley CP: 3
Stevens Creek CP: 3
Big Basin SP: 2
El Corte de Madera OSP: 2
Monte Bello OSP: 2
Sierra Azul; OSP: 2
Wilder Ranch SP: 2
Butano SP
Dr. Aurelia Reinhardt Redwood RP
Foothills Nature Preserve, Palo Alto
Hidden Villa, Los Altos Hills
Huddart CP
Los Trancos OSP
Mt. Madonna SP
Nisene Marks SP
Portola Redwoods SP
Skyline Ridge OSP

Months:

Apr.: 3
May: 18
Jun.: 10
Jul.: 2
Aug.: 1
Sep.: 1

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Not all sites agree about the scientific name:

Lysimachia latifolia → iNaturalist – Calflora – CalPhotos – Jepson eFlora
Trientalis latifolia → FNA

Bay Area species: iNaturalist – Calflora