North America Native Plant

Rollins’ Clover

Botanical name: Trifolium rollinsii

USDA symbol: TRRO5

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Trifolium kingii S. Watson ssp. rollinsii (J.M. Gillett) D. Heller (TRKIR)  âš˜  Trifolium macilentum Greene var. rollinsii (J.M. Gillett) Barneby (TRMAR)   

Rollins’ Clover: A Rare Nevada Alpine Gem Meet Rollins’ clover (Trifolium rollinsii), one of Nevada’s most specialized and elusive native plants. This perennial forb is a true mountain dweller that calls the high peaks of the Silver State home, but don’t expect to find it thriving in your backyard garden ...

Rare plant alert!

Region: Conservation status by state

Status: S2S3Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Rollins’ Clover: A Rare Nevada Alpine Gem

Meet Rollins’ clover (Trifolium rollinsii), one of Nevada’s most specialized and elusive native plants. This perennial forb is a true mountain dweller that calls the high peaks of the Silver State home, but don’t expect to find it thriving in your backyard garden anytime soon!

What Makes Rollins’ Clover Special?

Rollins’ clover is a fascinating member of the pea family that has carved out a very specific niche in Nevada’s alpine ecosystems. As a perennial forb, it returns year after year, but unlike its more common clover cousins that you might find in meadows and lawns, this little plant has evolved to handle some seriously tough mountain conditions.

You might also see this plant referenced in scientific literature under its synonyms Trifolium kingii ssp. rollinsii or Trifolium macilentum var. rollinsii, but regardless of what name you use, you’re talking about the same remarkable alpine survivor.

Where Does It Call Home?

This clover is what botanists call an endemic species – it’s found nowhere else in the world except Nevada. Specifically, Rollins’ clover makes its home in the Ruby Mountains and East Humboldt Range, where it grows in alpine and subalpine zones at high elevations.

A Word of Caution: Rarity Matters

Before we go any further, there’s something important you need to know about Rollins’ clover. This plant has a conservation status of S2S3Q, which essentially means scientists are concerned about its population stability and long-term survival. In simple terms, this is a rare plant that needs our protection.

What does this mean for gardeners? Well, we strongly recommend against attempting to grow this species unless you have access to responsibly sourced material and the proper permits. Even then, success would be extremely unlikely outside of its native alpine habitat.

Why This Clover Won’t Work in Your Garden

Here’s the reality check: Rollins’ clover is essentially impossible to grow in typical garden settings. This plant has evolved specifically for:

  • High elevation conditions (think mountain peaks, not valley floors)
  • Intense UV radiation and dramatic temperature swings
  • Well-draining, rocky soils
  • Long, cold winters with significant snow cover
  • Short, cool growing seasons

Unless you live at high elevation in Nevada and can replicate these exact conditions, this little clover simply won’t survive in cultivation.

What It Looks Like

Like other clovers, Rollins’ clover produces the characteristic three-leaflet leaves and small flowers that are typical of the genus. The flowers are likely white to pinkish in color, arranged in small clusters that attract native pollinators during the brief alpine growing season.

Its Role in the Ecosystem

While we can’t bring this plant into our gardens, we can certainly appreciate its important role in Nevada’s high-elevation ecosystems. As a member of the legume family, Rollins’ clover likely helps fix nitrogen in the soil, supporting other alpine plants in these nutrient-poor environments. The flowers probably provide nectar for native bees and other specialized alpine pollinators during the short mountain summer.

Better Alternatives for Your Garden

If you’re inspired by the idea of growing native clovers, there are much better options that will actually thrive in typical garden conditions:

  • White clover (Trifolium repens) – widely native and excellent for pollinator gardens
  • Red clover (Trifolium pratense) – great for wildflower meadows
  • Strawberry clover (Trifolium fragiferum) – interesting ornamental option

These alternatives will give you the clover experience without the impossible growing requirements!

The Bottom Line

Rollins’ clover is one of those plants that’s absolutely fascinating from a botanical perspective but completely impractical for home cultivation. Its story reminds us that not every native plant belongs in our gardens – some are so specialized that they need to stay exactly where Mother Nature put them.

Instead of trying to grow this rare beauty, consider it a wonderful excuse to plan a hiking trip to Nevada’s high country, where you might be lucky enough to spot this elusive alpine treasure in its natural habitat. Just remember to look but don’t touch – this little clover needs all the help it can get to survive in its mountain home!

Rollins’ Clover

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Trifolium L. - clover

Species

Trifolium rollinsii J.M. Gillett - Rollins' clover

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