North America Native Plant

Apetalous Catchfly

Botanical name: Silene uralensis attenuata

USDA symbol: SIURA

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Lychnis apetala L. ssp. attenuata (Farr) Maguire (LYAPA)  âš˜  Lychnis apetala L. var. attenuata (Farr) C.L. Hitchc. (LYAPA3)  âš˜  Lychnis attenuata Farr (LYAT)  âš˜  Melandrium apetalum (L.) Fenzl ssp. attenuatum (Farr) H. Hara (MEAPA)  âš˜  Silene attenuata (Farr) Bocquet (SIAT2)  âš˜  Silene wahlbergella Chowdhuri ssp. attenuata (Farr) Hultén (SIWAA)  âš˜  Wahlbergella attenuata (Farr) Rydb. (WAAT)   

Apetalous Catchfly: Montana’s Mysterious Mountain Native If you’re drawn to rare and unusual native plants, you might have stumbled across the intriguing apetalous catchfly (Silene uralensis attenuata). This little-known perennial belongs to the carnation family and represents one of those botanical mysteries that make native plant enthusiasts scratch their heads ...

Apetalous Catchfly: Montana’s Mysterious Mountain Native

If you’re drawn to rare and unusual native plants, you might have stumbled across the intriguing apetalous catchfly (Silene uralensis attenuata). This little-known perennial belongs to the carnation family and represents one of those botanical mysteries that make native plant enthusiasts scratch their heads in wonder.

What Makes This Plant Special?

The apetalous catchfly is a true Montana native, found nowhere else in the lower 48 states. As its name suggests, this member of the Silene genus is apetalous, meaning it lacks the showy petals we typically associate with flowers in the carnation family. Instead, it produces small, inconspicuous blooms that focus more on function than flashy appearance.

This perennial forb grows as a non-woody herbaceous plant, sending up fresh growth each year from its persistent root system. Like other members of the catchfly family, it likely has sticky stems or leaves that can trap small insects – though specific details about this particular species remain elusive.

Where Does It Grow?

Here’s where things get really interesting (and challenging for gardeners): the apetalous catchfly is found exclusively in Montana. This extremely limited distribution makes it one of those special endemic plants that call just one state home.

The Cultivation Challenge

Now, here’s the honest truth that might disappoint some native plant enthusiasts: growing apetalous catchfly in your garden is likely going to be nearly impossible. Why? This plant falls into that category of extremely rare natives with very specific habitat requirements that we simply don’t fully understand yet.

With such a restricted natural range, this species has likely evolved to thrive in very particular soil, climate, and elevation conditions found in Montana’s unique ecosystems. Without detailed studies on its growing requirements, attempting to cultivate it would be mostly guesswork.

What We Don’t Know (But Wish We Did)

Unfortunately, scientific literature on Silene uralensis attenuata is quite sparse. We don’t have solid information on:

  • Specific habitat preferences
  • Soil requirements
  • Moisture needs
  • Pollinator relationships
  • Wildlife benefits
  • Propagation methods
  • Appropriate hardiness zones for cultivation

A Word About Rarity and Responsibility

When dealing with plants that have such limited distributions, it’s crucial to practice responsible plant stewardship. If you’re lucky enough to encounter this species in the wild, admire it from a distance and never collect seeds or plants without proper permissions and scientific justification.

Native Alternatives for Your Garden

If you’re interested in growing catchflies in your garden, consider these more widely distributed and cultivation-friendly native Silene species:

  • Wild pink (Silene caroliniana) – for eastern gardens
  • Fire pink (Silene virginica) – striking red flowers
  • Bladder campion (Silene vulgaris) – though this one can be weedy

These alternatives can give you that carnation family experience while supporting local ecosystems and pollinators in a more practical way.

The Bottom Line

The apetalous catchfly represents one of those fascinating botanical mysteries that remind us how much we still have to learn about our native flora. While it’s probably not destined for your backyard garden anytime soon, it serves as an important reminder of the incredible diversity and specialization found in our native plant communities.

Sometimes the most valuable plants are the ones we admire from afar, knowing they’re thriving in their perfect wild homes where they belong.

Apetalous Catchfly

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 uralensis (Rupr.) Bocquet - apetalous catchfly

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