North America Non-native Plant

Teucrium Cubense Var. Laevigatum

Botanical name: Teucrium cubense var. laevigatum

USDA symbol: TECUL2

Life cycle: annual

Habit: forb

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

Teucrium cubense var. laevigatum: A Mysterious Member of the Mint Family If you’ve stumbled across the name Teucrium cubense var. laevigatum in your plant research, you’re likely encountering one of the more elusive members of the mint family. This particular variety represents a fascinating example of how much we still ...

Teucrium cubense var. laevigatum: A Mysterious Member of the Mint Family

If you’ve stumbled across the name Teucrium cubense var. laevigatum in your plant research, you’re likely encountering one of the more elusive members of the mint family. This particular variety represents a fascinating example of how much we still don’t know about the plant kingdom, even in our well-documented modern world.

What We Know (And Don’t Know)

Teucrium cubense var. laevigatum belongs to the genus Teucrium, commonly known as germanders, which are part of the mint family (Lamiaceae). What sets this plant apart is how little information is readily available about it in standard horticultural references. We do know it’s classified as a forb – essentially an herbaceous plant without significant woody tissue – that can be either annual or perennial.

Unfortunately, many key details remain unknown, including:

  • Common names
  • Native geographical distribution
  • Specific growing requirements
  • Wildlife and pollinator benefits
  • Invasive or conservation status

The Challenge of Obscure Varieties

The lack of comprehensive information about Teucrium cubense var. laevigatum presents a real challenge for gardeners. Without knowing its native range, we can’t determine if it would be appropriate for native plant gardens. Without understanding its growing requirements, it’s difficult to provide proper care. And without knowledge of its ecological impact, we can’t assess whether it might become problematic in cultivation.

A Cautious Approach for Curious Gardeners

If you’re determined to learn more about this plant, your best bet is to:

  • Contact botanical gardens or university herbaria that might have specimens
  • Reach out to specialists in the Teucrium genus
  • Check with native plant societies if you suspect it might be native to your region

Better-Known Alternatives

Given the uncertainty surrounding Teucrium cubense var. laevigatum, you might consider exploring other, well-documented Teucrium species that could serve similar roles in your garden. Some popular options include:

  • Teucrium fruticans (Tree Germander) – known for silvery foliage and blue flowers
  • Teucrium chamaedrys (Wall Germander) – excellent for edging and herb gardens
  • Teucrium scorodonia (Wood Sage) – native to parts of North America and Europe

The Importance of Plant Documentation

The mystery surrounding Teucrium cubense var. laevigatum highlights an important point: not every plant with a scientific name has been thoroughly studied or documented for horticultural use. This is particularly true for specific varieties and subspecies that may have been described botanically but never entered widespread cultivation.

As gardeners, it’s always wise to choose plants with well-established growing guides and known ecological impacts. While the botanical world certainly holds many undiscovered gems, it also contains plants that might not be suitable for home gardens due to various factors we simply don’t yet understand.

If you’re interested in exploring lesser-known plants, consider working with local native plant societies or botanical institutions that can provide guidance on appropriate species for your specific region and garden goals.

Teucrium Cubense Var. Laevigatum

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

Lamiales

Family

Lamiaceae Martinov - Mint family

Genus

Teucrium L. - germander

Species

Teucrium cubense Jacq. - small coastal germander

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