North America Non-native Plant

Mitracarpus Frigidus

Botanical name: Mitracarpus frigidus

USDA symbol: MIFR7

Native status: Not native but doesn't reproduce and persist in the wild

The Mysterious Mitracarpus frigidus: A Botanical Puzzle Ever stumbled across a plant name that makes you scratch your head and wonder if it’s real? Meet Mitracarpus frigidus, one of those botanical mysteries that keeps plant enthusiasts guessing. This member of the coffee family (Rubiaceae) is so elusive that even seasoned ...

The Mysterious Mitracarpus frigidus: A Botanical Puzzle

Ever stumbled across a plant name that makes you scratch your head and wonder if it’s real? Meet Mitracarpus frigidus, one of those botanical mysteries that keeps plant enthusiasts guessing. This member of the coffee family (Rubiaceae) is so elusive that even seasoned gardeners might never have heard of it.

What We Know (And Don’t Know)

Here’s where things get interesting – and a bit frustrating. Mitracarpus frigidus appears to be either an extremely rare species or possibly a botanical name that’s fallen into obscurity. The genus Mitracarpus includes small herbaceous plants typically found in tropical and subtropical regions, but specific information about this particular species is virtually non-existent in mainstream horticultural literature.

Geographic Distribution: A Mystery

Unfortunately, the geographic range of Mitracarpus frigidus remains unknown. Without reliable distribution data, we can’t determine where this plant naturally occurs or whether it might be suitable for cultivation in specific regions.

Should You Try to Grow It?

Here’s our honest take: probably not, at least not until more information becomes available. When a plant species has so little documented information about its growing requirements, native status, or even basic characteristics, it’s often better to choose well-documented alternatives.

If you’re drawn to the Rubiaceae family, consider these better-known options instead:

  • Native wildflowers like partridgeberry (Mitchella repens)
  • Buttonbush (Cephalanthus occidentalis) for wet areas
  • Wild coffee species native to your region

The Bottom Line

Sometimes in the plant world, mystery isn’t romantic – it’s just impractical. While Mitracarpus frigidus might exist somewhere in a botanical collection or remote habitat, the lack of cultivation information, growing requirements, and even basic plant characteristics makes it unsuitable for home gardens.

Instead of chasing botanical ghosts, focus your energy on the thousands of well-documented native plants that will thrive in your garden while supporting local wildlife. Your plants (and your sanity) will thank you for it!

Have you encountered other mysterious plant names in your gardening journey? Sometimes the best discoveries come from sticking with the tried-and-true species that have proven their worth in gardens across the country.

Mitracarpus Frigidus

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

Rubiales

Family

Rubiaceae Juss. - Madder family

Genus

Mitracarpus Zucc. - girdlepod

Species

Mitracarpus frigidus (Willd. ex Roem. & Schult.) K. Schum. [excluded]

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