North America Native Plant

Ovateleaf Snapdragon

Botanical name: Howelliella ovata

USDA symbol: HOOV

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Antirrhinum ovatum Eastw. (ANOV)   

Ovateleaf Snapdragon: A Rare California Gem That’s Not for Every Garden Meet the ovateleaf snapdragon (Howelliella ovata), one of California’s most elusive native wildflowers. This little-known member of the snapdragon family is so rare that most gardeners have never heard of it—and there’s a very good reason for that! What ...

Rare plant alert!

Region: Conservation status by state

Status: S3: Status is uncertain but is somewhere between the following rankings: 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 ⚘

Ovateleaf Snapdragon: A Rare California Gem That’s Not for Every Garden

Meet the ovateleaf snapdragon (Howelliella ovata), one of California’s most elusive native wildflowers. This little-known member of the snapdragon family is so rare that most gardeners have never heard of it—and there’s a very good reason for that!

What Makes This Plant Special

The ovateleaf snapdragon is what botanists call a forb—essentially a soft-stemmed flowering plant without woody tissue. As an annual, it completes its entire life cycle in just one growing season, making every year a fresh start for this vulnerable species. You might also see it listed under its scientific synonym, Antirrhinum ovatum, in older botanical references.

Where Does It Call Home?

This native beauty is exclusively Californian, with an extremely limited range within the Golden State. Its restricted distribution is one of the key factors that makes it so uncommon in the wild.

The Rarity Factor: Why You Should Think Twice

Here’s where things get serious. The ovateleaf snapdragon carries a Global Conservation Status of S3, which translates to Vulnerable. This means:

  • It’s very rare and local throughout its range
  • Typically found in only 21 to 100 locations worldwide
  • Total population estimated between 3,000 and 10,000 individuals
  • Vulnerable to extinction due to its limited numbers

Should You Grow It in Your Garden?

The short answer is: probably not, unless you’re a serious conservation-minded gardener with a specific mission. While we absolutely support growing native plants, this particular species requires special consideration due to its vulnerable status.

If you’re determined to grow ovateleaf snapdragon, you must ensure any plant material is:

  • Responsibly sourced from legitimate conservation programs
  • Never collected from wild populations
  • Obtained through proper seed collection protocols

The Growing Challenge

Even if you could source this plant responsibly, growing it successfully would be quite the adventure. As a rare California endemic, there’s virtually no cultivation information available. We don’t know its preferred soil conditions, water requirements, or specific growing needs—information that’s simply not documented for such an uncommon species.

Better Alternatives for Your Native Garden

Instead of attempting to grow this vulnerable species, consider these more readily available California native snapdragons and similar plants:

  • Common snapdragon (Antirrhinum majus) – though not native, widely cultivated
  • Various Penstemon species (beardtongue) – excellent native alternatives
  • Mimulus species (monkeyflower) – beautiful native options with similar appeal

Supporting Conservation Instead

The best way to help the ovateleaf snapdragon is to support organizations working to preserve California’s rare plants and their habitats. Consider donating to or volunteering with native plant societies, botanical gardens with conservation programs, or land trusts protecting critical habitat.

Sometimes the most loving thing we can do for a rare plant is to admire it from afar and let the experts handle its conservation. Your regular garden is better served with more common natives that can thrive without putting additional pressure on vulnerable wild populations.

The Bottom Line

While the ovateleaf snapdragon is undoubtedly a fascinating piece of California’s botanical heritage, it’s not a plant for the average home garden. Its rarity makes it more of a conservation priority than a garden subject. Instead, focus your native gardening efforts on more abundant species that can bring similar beauty to your landscape without ethical concerns.

Remember: the best native gardens are those that celebrate local flora while supporting conservation efforts—and sometimes that means choosing the more common cousins over the rare gems.

Ovateleaf Snapdragon

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

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Howelliella Rothm. - howelliella

Species

Howelliella ovata (Eastw.) Rothm. - ovateleaf snapdragon

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