North America Native Plant

Monnina

Botanical name: Monnina

USDA symbol: MONNI

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Monnina: A Little-Known Native Forb of the American Southwest If you’ve stumbled across the name Monnina in your native plant research, you might be wondering what exactly this mysterious plant is all about. Don’t worry – you’re not alone in your curiosity! Monnina is one of those under-the-radar native plants ...

Monnina: A Little-Known Native Forb of the American Southwest

If you’ve stumbled across the name Monnina in your native plant research, you might be wondering what exactly this mysterious plant is all about. Don’t worry – you’re not alone in your curiosity! Monnina is one of those under-the-radar native plants that doesn’t get much attention in gardening circles, and for good reason: there’s surprisingly little information available about this particular genus.

What Is Monnina?

Monnina is a genus of annual forbs native to the lower 48 states. As a forb, these plants are herbaceous – meaning they lack significant woody tissue above ground. Think of them as the wildflower cousins in the plant world, with soft stems and leaves rather than the hard, woody structure you’d find in shrubs or trees. The defining characteristic of forbs like Monnina is that their growing points (called perennating buds) are located at or below ground level, helping them survive through challenging conditions.

Where Does Monnina Grow?

This native plant calls the American Southwest home, specifically Arizona and New Mexico. It’s adapted to the unique climate and growing conditions of this region, which means it’s naturally suited to handle the challenges that come with southwestern gardening – think hot summers, limited rainfall, and well-draining soils.

The Challenge with Growing Monnina

Here’s where things get a bit tricky for curious gardeners: Monnina isn’t commonly cultivated, and detailed growing information is quite scarce. Unlike popular native plants that have been extensively studied and grown in gardens, Monnina remains somewhat of a botanical mystery in horticultural circles.

This lack of cultivation information means:

  • Seeds or plants may be difficult to source from nurseries
  • Specific growing requirements aren’t well-documented
  • Success stories from other gardeners are hard to find
  • You’d essentially be experimenting if you decided to grow it

Should You Grow Monnina?

While Monnina is indeed a native plant (which is always a plus for supporting local ecosystems), the practical challenges might outweigh the benefits for most home gardeners. Since it’s an annual, you’d need to replant it each year, and without readily available information about its specific needs, you might find yourself playing a guessing game.

If you’re drawn to the idea of growing lesser-known southwestern natives, you might have better luck with more well-documented annual wildflowers that share Monnina’s habitat. Plants like desert lupine, fairy duster, or various penstemon species offer similar native credentials with much more reliable growing information and seed availability.

The Bottom Line

Monnina represents one of those fascinating native plants that reminds us how much we still don’t know about our local flora. While it’s certainly not a plant to avoid, it’s also not one that most gardeners will find practical to grow given the current lack of horticultural information.

If you’re interested in supporting native plants in your Arizona or New Mexico garden, consider focusing on better-documented species that can provide similar ecological benefits with greater chances of success. Sometimes the most helpful thing we can do for rare or little-known natives like Monnina is to protect their wild habitats while cultivating their better-understood relatives in our gardens.

Monnina

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

Polygalales

Family

Polygalaceae Hoffmanns. & Link - Milkwort family

Genus

Monnina Ruiz & Pav. - monnina

Species

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