North America Non-native Plant

Matasano

Botanical name: Casimiroa tetrameria

USDA symbol: CATE24

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

Matasano (Casimiroa tetrameria): A Mysterious Native Plant Worth Investigating If you’ve stumbled across the name matasano or Casimiroa tetrameria in your plant research, you’re not alone in wondering about this enigmatic species. This member of the Casimiroa genus represents one of those fascinating plants that hasn’t made it into mainstream ...

Matasano (Casimiroa tetrameria): A Mysterious Native Plant Worth Investigating

If you’ve stumbled across the name matasano or Casimiroa tetrameria in your plant research, you’re not alone in wondering about this enigmatic species. This member of the Casimiroa genus represents one of those fascinating plants that hasn’t made it into mainstream gardening circles, despite belonging to a family known for producing some interesting specimens.

What We Know About Matasano

Casimiroa tetrameria goes by the common name matasano, though information about this specific species remains surprisingly scarce in horticultural literature. What we do know is that it belongs to the Casimiroa genus, which is part of the citrus family and native to regions of Mexico and Central America.

Geographic Distribution and Native Status

While the exact native range of Casimiroa tetrameria isn’t well-documented in readily available sources, the Casimiroa genus as a whole originates from Mexico and parts of Central America. This suggests that matasano likely calls these regions home, though more research would be needed to pinpoint its specific distribution.

The Challenge of Growing the Unknown

Here’s where things get tricky for gardeners interested in matasano. The lack of widely available information about this species presents several challenges:

  • Growing conditions and care requirements are not well-established
  • Hardiness zones remain unclear
  • Availability through nurseries is likely very limited
  • Propagation methods haven’t been documented for home gardeners

Should You Plant Matasano?

Given the limited information available, growing Casimiroa tetrameria would be more of an experimental endeavor than a sure bet. If you’re considering this plant, here are some important considerations:

For the Adventurous Gardener: If you have access to seeds or plants through specialized botanical sources and you’re comfortable with trial-and-error gardening, matasano could be an interesting addition to a collection focused on rare or unusual species.

For Most Home Gardeners: You might want to consider better-documented alternatives. Other members of the Casimiroa genus, like the white sapote (Casimiroa edulis), are better understood and more readily available.

Native Alternatives to Consider

If you’re drawn to the idea of growing plants from the Casimiroa genus or similar native species, consider researching these better-documented options that share geographic origins:

  • White sapote (Casimiroa edulis) – if available in your area
  • Other native fruit trees from Mexico and Central America
  • Consult local native plant societies for region-appropriate alternatives

The Bottom Line on Matasano

Casimiroa tetrameria remains something of a botanical mystery in the gardening world. While this adds to its intrigue, it also means that growing it successfully would require considerable research, experimentation, and possibly connections with botanical institutions or specialized collectors.

If you’re set on trying to grow matasano, your best bet would be to connect with botanical gardens, university extension programs, or specialty plant societies that focus on Central American flora. They might have more specific information about this elusive species or can point you toward similar plants that are better suited for home cultivation.

Remember, sometimes the most rewarding gardening experiences come from working with well-understood native plants that we know will thrive in our specific conditions. But for those with a taste for botanical adventure, matasano represents the kind of plant mystery that keeps dedicated gardeners digging deeper into the wonderful world of native flora.

Matasano

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

Sapindales

Family

Rutaceae Juss. - Rue family

Genus

Casimiroa Llave & Lex. - sapote

Species

Casimiroa tetrameria Millsp. - matasano

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