North America Native Plant

Carnivorous Silene

Botanical name: Silene nuda insectivora

USDA symbol: SINUI2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Silene insectivora L.F. Hend. (SIIN10)   

Carnivorous Silene: A Mystery Plant Worth Investigating Meet the carnivorous silene (Silene nuda insectivora), a plant that’s as intriguing as its name suggests. This perennial forb is supposedly native to the western United States, but here’s where things get interesting – this particular species seems to be more elusive than ...

Carnivorous Silene: A Mystery Plant Worth Investigating

Meet the carnivorous silene (Silene nuda insectivora), a plant that’s as intriguing as its name suggests. This perennial forb is supposedly native to the western United States, but here’s where things get interesting – this particular species seems to be more elusive than a shy woodland creature.

What We Know (And What We Don’t)

The carnivorous silene is classified as a perennial forb, which means it’s an herbaceous plant that comes back year after year without developing woody stems. As a member of the Silene genus, it would theoretically belong to the pink family (Caryophyllaceae), known for producing delicate, often colorful flowers.

According to available data, this plant is native to three western states: California, Nevada, and Oregon. The geographic distribution suggests it might be adapted to the diverse climates and terrains of the American West, from coastal regions to inland valleys.

The Name Game

The scientific name includes insectivora, which literally means insect-eating. This is fascinating because most plants in the Silene genus are not carnivorous. While some Silene species do have sticky stems and calyces that can trap small insects, true carnivory (actually digesting insects for nutrients) is quite rare in this plant family.

The plant is also known by the synonym Silene insectivora L.F. Hend., suggesting it may have been reclassified or renamed at some point in botanical history.

A Gardener’s Dilemma

Here’s the honest truth: finding reliable information about growing carnivorous silene is like trying to catch morning mist in your hands. The lack of available cultivation information, growing guides, or even detailed botanical descriptions makes this a challenging plant for the average gardener to pursue.

What This Means for Your Garden

If you’re drawn to the idea of a carnivorous silene, you might want to consider these alternatives:

  • Other Silene species: Look for well-documented native catchflies and campions that are proven garden performers in your region
  • Native carnivorous plants: Consider sundews, butterworts, or other documented insect-eating plants native to your area
  • Native wildflowers: Explore other western native forbs that offer similar ecological benefits with proven garden success

The Bottom Line

While the carnivorous silene sounds absolutely fascinating, its mysterious nature makes it difficult to recommend for home gardeners. Without clear growing requirements, availability, or even confirmation of its current taxonomic status, it’s better to focus on well-documented native plants that can provide reliable beauty and ecological benefits to your landscape.

Sometimes the most intriguing plants are the ones that remain just out of reach – and perhaps that’s part of their charm. If you’re passionate about botanical mysteries, this might be one worth investigating further through botanical societies or native plant groups in California, Nevada, or Oregon.

For now, let’s celebrate the many wonderful, well-documented native plants that are ready and waiting to thrive in our gardens!

Carnivorous Silene

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Caryophyllaceae Juss. - Pink family

Genus

Silene L. - catchfly

Species

Silene nuda (S. Watson) C.L. Hitchc. & Maguire - western fringed catchfly

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA