North America Native Plant

Cuban Tangle

Botanical name: Stegnosperma cubense

USDA symbol: STCU6

Life cycle: perennial

Habit: vine

Native status: Native to Puerto Rico  

Cuban Tangle: A Native Puerto Rican Shrub Worth Knowing If you’re passionate about native plants and live in Puerto Rico, you might want to get acquainted with Cuban tangle (Stegnosperma cubense). This perennial shrub is a true local, having evolved right in Puerto Rico’s unique ecosystem. While it may not ...

Cuban Tangle: A Native Puerto Rican Shrub Worth Knowing

If you’re passionate about native plants and live in Puerto Rico, you might want to get acquainted with Cuban tangle (Stegnosperma cubense). This perennial shrub is a true local, having evolved right in Puerto Rico’s unique ecosystem. While it may not be the most well-known plant in the native gardening world, it represents an important piece of the island’s natural heritage.

What is Cuban Tangle?

Cuban tangle is a woody shrub that typically grows as a multi-stemmed plant, usually reaching heights of less than 13 to 16 feet. Like most shrubs, it develops several stems that emerge from or near ground level, creating a bushy appearance that can add structure and year-round interest to your landscape.

Where Does Cuban Tangle Grow?

This native beauty calls Puerto Rico home, where it has adapted to local growing conditions over thousands of years. As a Puerto Rico native, it’s perfectly suited to the island’s climate and plays a natural role in the local ecosystem.

Why Consider Cuban Tangle for Your Garden?

Here are some compelling reasons to consider this native shrub:

  • True native status: Supporting plants that naturally belong in your area helps maintain local biodiversity
  • Low maintenance potential: Native plants are typically adapted to local conditions and require less intervention once established
  • Ecosystem support: Native plants provide habitat and resources for local wildlife that have co-evolved with them
  • Unique addition: Adding lesser-known natives to your garden creates conversation pieces and educational opportunities

The Challenge: Limited Growing Information

Here’s where things get interesting (and a bit challenging). Cuban tangle falls into that category of native plants that haven’t made it into mainstream cultivation yet. This means specific growing conditions, care requirements, propagation methods, and horticultural details are not widely documented or available through typical gardening channels.

What This Means for Gardeners

If you’re interested in growing Cuban tangle, you’ll need to:

  • Contact local botanical gardens or native plant societies in Puerto Rico for guidance
  • Look for the plant growing naturally in your area to observe its preferred conditions
  • Start with basic shrub care principles while observing how the plant responds
  • Be prepared for some trial and error as you learn what works

Supporting Native Plant Conservation

When information about a native plant is limited, it often indicates that the species hasn’t received much horticultural attention. By showing interest in plants like Cuban tangle, you’re supporting the broader movement to document, preserve, and cultivate native species that might otherwise remain in the shadows of more popular garden plants.

The Bottom Line

Cuban tangle represents both an opportunity and a challenge for native plant enthusiasts in Puerto Rico. While we don’t have a complete cultivation guide for this species, its native status makes it worth investigating if you’re committed to supporting local biodiversity. Consider reaching out to local experts, botanical institutions, or native plant groups who might have hands-on experience with this intriguing shrub.

Sometimes the most rewarding gardening adventures come from working with plants that don’t have all the answers laid out for us—they invite us to become citizen scientists and contribute to the growing knowledge about our native flora.

Cuban Tangle

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Phytolaccaceae R. Br. - Pokeweed family

Genus

Stegnosperma Benth. - stegnosperma

Species

Stegnosperma cubense A. Rich. - Cuban tangle

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