North America Native Plant

Axilflower

Botanical name: Mecardonia acuminata var. microphylla

USDA symbol: MEACM

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Bacopa acuminata (Walter) B.L. Rob. var. microphylla (Raf.) Fernald (BAACM)   

Axilflower: A Hidden Gem for Southern Gardens If you’re looking to add authentic regional character to your garden while supporting local ecosystems, let me introduce you to axilflower (Mecardonia acuminata var. microphylla). This charming native perennial might not be on everyone’s radar yet, but it’s exactly the kind of under-appreciated ...

Axilflower: A Hidden Gem for Southern Gardens

If you’re looking to add authentic regional character to your garden while supporting local ecosystems, let me introduce you to axilflower (Mecardonia acuminata var. microphylla). This charming native perennial might not be on everyone’s radar yet, but it’s exactly the kind of under-appreciated plant that deserves a spot in more Southern gardens.

What Makes Axilflower Special?

Axilflower is a true Southern native, belonging to a group of plants we call forbs—essentially non-woody flowering plants that come back year after year. Think of it as nature’s way of adding delicate texture and authentic regional flair to your landscape without any of the fuss that comes with high-maintenance exotic plants.

As a perennial herb, axilflower offers that wonderful plant it once, enjoy it for years appeal that every gardener loves. It’s the botanical equivalent of that reliable friend who’s always there when you need them.

Where Does Axilflower Call Home?

This delightful native has made itself comfortable across the southeastern United States, thriving naturally in Alabama, Florida, Georgia, Louisiana, and Mississippi. If you live in these states, you’re working with a plant that’s perfectly adapted to your local conditions—which means less work for you and better results for your garden.

Why Your Garden (and Local Wildlife) Will Love It

Choosing native plants like axilflower is one of those win-win decisions that makes you feel good about your gardening choices. Here’s why this little powerhouse deserves consideration:

  • It’s naturally adapted to Southern growing conditions, meaning less watering, fertilizing, and fussing once established
  • Native plants support local wildlife in ways that exotic plants simply can’t match
  • You’re preserving a piece of your region’s natural heritage right in your own backyard
  • It plays well with other native plants, making it perfect for naturalized areas or native plant gardens

Garden Design Ideas

Axilflower shines in naturalized settings where its delicate, herbaceous nature can complement other native wildflowers and grasses. Consider it for:

  • Native plant gardens that celebrate your region’s natural beauty
  • Pollinator gardens where its flowers can provide nectar for local beneficial insects
  • Low-maintenance landscape areas where you want color without constant care
  • Educational gardens that showcase local plant communities

Growing Your Axilflower Successfully

While specific growing requirements for this particular variety aren’t widely documented, most plants in this family prefer well-draining soil and can handle both sun and partial shade conditions typical of their native southeastern range.

Since axilflower is native to your region (if you’re in the Southeast), it should adapt well to local rainfall patterns and seasonal changes once established. This makes it an excellent choice for gardeners who want beautiful results without intensive maintenance.

A Few Things to Keep in Mind

You might also see axilflower listed under its synonym Bacopa acuminata var. microphylla in some plant catalogs or databases—it’s the same wonderful plant, just with different naming conventions used by botanists over the years.

As with any native plant, try to source your axilflower from reputable native plant nurseries that can ensure you’re getting plants that are true to the local genetic stock.

The Bottom Line

Axilflower represents the kind of thoughtful plant choice that benefits both your garden and the broader ecosystem. It’s a small but meaningful way to garden in harmony with your local environment while creating beautiful, sustainable landscapes that celebrate the unique character of the American Southeast.

Ready to give this native charmer a try? Your garden—and your local wildlife—will thank you for the authentic touch of regional beauty that only a true native can provide.

Axilflower

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

Mecardonia Ruiz & Pav. - mecardonia

Species

Mecardonia acuminata (Walter) Small - axilflower

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