North America Native Plant

Oklahoma Monkeyflower

Botanical name: Mimulus glabratus var. oklahomensis

USDA symbol: MIGLO

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Oklahoma Monkeyflower: A Rare Native Gem Worth Knowing Meet the Oklahoma monkeyflower (Mimulus glabratus var. oklahomensis), a little-known native wildflower that’s as elusive as it is charming. This perennial forb represents a unique variety of the roundleaf monkeyflower that has carved out its own special niche in the American heartland. ...

Oklahoma Monkeyflower: A Rare Native Gem Worth Knowing

Meet the Oklahoma monkeyflower (Mimulus glabratus var. oklahomensis), a little-known native wildflower that’s as elusive as it is charming. This perennial forb represents a unique variety of the roundleaf monkeyflower that has carved out its own special niche in the American heartland.

What Makes This Plant Special?

The Oklahoma monkeyflower belongs to the fascinating world of native forbs – those hardy herbaceous plants that form the backbone of our natural ecosystems. As a perennial, this plant returns year after year, though you’d be lucky to spot one in the wild given its extremely limited range.

Like other members of the monkeyflower family, this variety likely produces small, snapdragon-like blooms that earned the group its whimsical common name. The flowers supposedly resemble a monkey’s face when viewed from just the right angle – though you might need to use your imagination a bit!

Where Does It Call Home?

This native plant has one of the most restricted distributions you’ll find among North American wildflowers. The Oklahoma monkeyflower grows naturally in just two states: Kansas and Oklahoma. This incredibly limited range makes it a true regional specialty and highlights the importance of protecting our local plant diversity.

A Rare Find for Native Plant Enthusiasts

Here’s where things get interesting – and a bit cautionary. The Oklahoma monkeyflower’s tiny native range suggests this is likely a rare plant that deserves our respect and protection. While specific rarity status information isn’t readily available, any plant found in only two states should be considered precious.

If you’re a native plant enthusiast who’s captivated by this unique variety, proceed with extreme caution. Never collect plants or seeds from wild populations, as this could harm already vulnerable populations. Instead:

  • Work only with reputable native plant nurseries
  • Ask specifically about responsible sourcing
  • Consider growing the more common parent species, Mimulus glabratus, instead
  • Support conservation organizations working to protect rare plants

Growing Conditions and Care

While specific cultivation information for this variety is limited, we can make educated guesses based on other monkeyflowers and its native habitat. Like most members of its family, the Oklahoma monkeyflower likely prefers:

  • Moist to wet soil conditions
  • Partial shade to full sun
  • Good drainage despite moisture preferences
  • USDA hardiness zones 5-8 (based on its geographic range)

However, given the rarity of this plant, detailed growing instructions simply aren’t available from cultivation experience.

The Bigger Picture

The Oklahoma monkeyflower serves as a perfect example of why protecting native plant diversity matters. These highly localized varieties often represent unique genetic adaptations to specific environments. They’re living libraries of evolutionary information that could be lost forever if their habitats disappear.

Rather than trying to grow this rare variety, consider supporting broader native plant conservation efforts. Plant other native monkeyflowers that are more readily available, or explore the wonderful world of native Kansas and Oklahoma wildflowers that can thrive in cultivation.

Sometimes the best way to appreciate a rare native plant is simply to know it exists – and to work toward ensuring it continues to exist for future generations to discover and admire.

Oklahoma Monkeyflower

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

Mimulus L. - monkeyflower

Species

Mimulus glabratus Kunth - roundleaf monkeyflower

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