North America Native Plant

Broadleaf Gilia

Botanical name: Aliciella latifolia imperialis

USDA symbol: ALLAI

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Gilia latifolia S. Watson var. imperialis S.L. Welsh (GILAI)   

Broadleaf Gilia: A Rare Utah Native Worth Protecting Meet Aliciella latifolia imperialis, commonly known as broadleaf gilia—a little-known native wildflower that calls Utah home. While you might not find this plant at your local nursery, it represents an important piece of our native botanical heritage that deserves recognition and protection. ...

Rare plant alert!

Region: Conservation status by state

Status: S4T2: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is 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) ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Broadleaf Gilia: A Rare Utah Native Worth Protecting

Meet Aliciella latifolia imperialis, commonly known as broadleaf gilia—a little-known native wildflower that calls Utah home. While you might not find this plant at your local nursery, it represents an important piece of our native botanical heritage that deserves recognition and protection.

A True Utah Native

Broadleaf gilia is a native wildflower that grows exclusively in Utah, making it a true regional specialty. As a member of the phlox family, this annual forb (that’s botanist-speak for a soft-stemmed, non-woody flowering plant) has been quietly growing in Utah’s landscapes long before European settlement.

You might also see this plant referenced by its scientific synonym, Gilia latifolia var. imperialis, in older botanical references, but the current accepted name is Aliciella latifolia imperialis.

Understanding Its Rarity

Here’s where things get serious: broadleaf gilia has a Global Conservation Status of S4T2, indicating that this subspecies is quite rare and potentially vulnerable. This rarity status means we need to be extra thoughtful about how we interact with this plant in both wild and cultivated settings.

What Does It Look Like?

As an annual forb, broadleaf gilia completes its entire life cycle—from seed to flower to seed again—within a single growing season. Like other members of the gilia family, it produces delicate flowers that add subtle beauty to its native habitat. The broadleaf part of its common name gives us a clue that its leaves are wider than those of its close relatives.

Should You Grow Broadleaf Gilia?

This is where we need to pump the brakes a bit. While the idea of growing a rare Utah native might be appealing, there are several important considerations:

  • Limited availability: You’re unlikely to find this plant commercially available
  • Conservation concerns: Its rarity means we should prioritize protecting wild populations
  • Responsible sourcing: If you do encounter this plant for sale, ensure it’s from ethically propagated, not wild-collected, sources
  • Specialized needs: As a plant adapted to specific Utah conditions, it may have very particular growing requirements

Better Alternatives for Your Garden

Instead of seeking out this rare subspecies, consider these more readily available native Utah alternatives:

  • Other Gilia species that are more common and commercially available
  • Native Utah wildflowers like Indian paintbrush or lupine
  • Regional natives that support local pollinators and wildlife

Supporting Conservation

The best way to appreciate broadleaf gilia is to support conservation efforts that protect its natural habitat. Consider volunteering with local botanical societies, supporting native plant research, or participating in citizen science projects that help monitor rare plant populations.

The Bigger Picture

Plants like broadleaf gilia remind us that our native flora includes many species that aren’t flashy garden stars but are nonetheless important parts of our ecological heritage. While this particular plant might not be destined for your backyard, learning about it helps us appreciate the incredible diversity of native species that call our region home.

Sometimes the most responsible thing we can do as gardeners is to admire from afar and choose more common natives that can provide similar ecological benefits without putting pressure on rare populations. After all, every garden can be a small act of conservation when we choose wisely.

Broadleaf Gilia

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Solanales

Family

Polemoniaceae Juss. - Phlox family

Genus

Aliciella Brand - aliciella

Species

Aliciella latifolia (S. Watson) J.M. Porter - broad-leaf gilia

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