North America Non-native Plant

Crevajosa

Botanical name: Polygala penaea penaea

USDA symbol: POPEP6

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

Synonyms: Bodiera penaea (L.) DC. (BOPE8)   

Crevajosa: A Mysterious Member of the Polygala Family If you’ve stumbled across the name crevajosa or its scientific designation Polygala penaea penaea in your plant research, you’ve encountered one of those botanical mysteries that keeps plant enthusiasts scratching their heads. This particular plant name exists in a rather murky corner ...

Crevajosa: A Mysterious Member of the Polygala Family

If you’ve stumbled across the name crevajosa or its scientific designation Polygala penaea penaea in your plant research, you’ve encountered one of those botanical mysteries that keeps plant enthusiasts scratching their heads. This particular plant name exists in a rather murky corner of botanical nomenclature, and there’s a story worth telling here.

What We Know (And Don’t Know) About Crevajosa

Crevajosa, scientifically known as Polygala penaea penaea, belongs to the diverse Polygala genus, which includes hundreds of species commonly called milkworts. However, this specific designation presents some challenges for gardeners and botanists alike, as reliable information about this particular plant is remarkably scarce in current botanical literature.

The plant has a historical synonym, Bodiera penaea (L.) DC., which suggests it may have been reclassified or renamed over time—a common occurrence in the ever-evolving world of plant taxonomy.

The Geographic Mystery

Unfortunately, the current geographic distribution of Polygala penaea penaea remains unclear. Without reliable distribution data, it’s impossible to determine where this plant naturally occurs or whether it might be suitable for cultivation in various regions.

Garden Considerations

Here’s where things get tricky for gardeners. With limited information available about:

  • Growing conditions and requirements
  • Hardiness zones
  • Growth habits and mature size
  • Pollinator and wildlife benefits
  • Invasive potential

It’s difficult to make informed recommendations about whether to include this plant in your garden design.

A Word of Caution for Plant Enthusiasts

If you encounter seeds, plants, or references to crevajosa for sale or trade, proceed with caution. The lack of clear botanical information makes it challenging to:

  • Verify the plant’s true identity
  • Understand its growing requirements
  • Assess its potential impact on local ecosystems
  • Determine appropriate care and maintenance

Better Alternatives for Your Garden

Instead of pursuing this botanical enigma, consider exploring well-documented Polygala species that are known to thrive in cultivation. Many members of the milkwort family offer beautiful flowers, interesting foliage, and proven garden performance. Research native Polygala species in your area, as these will provide the best ecological benefits while being more predictable in their growth habits.

The Takeaway

While crevajosa (Polygala penaea penaea) remains an intriguing name in botanical literature, the lack of reliable information makes it a poor choice for most gardeners. Sometimes the most responsible approach is to acknowledge what we don’t know and choose better-documented alternatives that will bring reliable beauty and ecological value to our gardens.

If you’re passionate about plant exploration and discovery, consider connecting with botanical institutions or participating in plant conservation efforts where your curiosity can contribute to expanding our collective knowledge of the plant kingdom.

Crevajosa

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

Polygala L. - polygala

Species

Polygala penaea L. - crevajosa

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