North America Non-native Plant

Valamuerto

Botanical name: Senna pendula var. pendula

USDA symbol: SEPEP4

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

Synonyms: Cassia pendula Humb. & Bonpl. ex Willd. (CAPE48)   

Valamuerto: An Enigmatic Member of the Senna Family Meet Senna pendula var. pendula, commonly known as valamuerto – a plant that’s as mysterious as its name suggests. If you’re scratching your head wondering what exactly this plant is all about, you’re not alone! This particular variety of the Senna family ...

Valamuerto: An Enigmatic Member of the Senna Family

Meet Senna pendula var. pendula, commonly known as valamuerto – a plant that’s as mysterious as its name suggests. If you’re scratching your head wondering what exactly this plant is all about, you’re not alone! This particular variety of the Senna family is one of those botanical puzzles that keeps even experienced gardeners guessing.

What’s in a Name?

Valamuerto belongs to the legume family (Fabaceae) and was previously classified under the name Cassia pendula. Like many plants that have been shuffled around in botanical classification, it carries the history of taxonomic changes in its synonyms. The name valamuerto itself adds an air of intrigue to this already enigmatic plant.

The Geographic Mystery

Here’s where things get interesting – and by interesting, I mean frustratingly vague. The specific geographic distribution and native range of Senna pendula var. pendula isn’t well-documented in readily available sources. This makes it challenging to provide definitive advice about where it naturally belongs or where it might thrive in cultivation.

Should You Grow Valamuerto?

This is the million-dollar question, isn’t it? With limited information about this specific variety’s growing requirements, invasive potential, and ecological impact, recommending whether to grow valamuerto becomes a bit like suggesting someone adopt a pet they’ve never seen.

Here’s what we do know: as a member of the Senna genus, it’s likely a flowering plant that could potentially attract pollinators. However, without clear information about its native status, growth habits, or potential invasiveness, it’s difficult to give it a wholehearted recommendation.

A Word of Caution

Before adding any unfamiliar plant to your garden, especially one with limited documentation, consider these important steps:

  • Check with your local extension office about the plant’s status in your area
  • Research whether it’s considered invasive or problematic in your region
  • Consider native alternatives that provide similar aesthetic or ecological benefits
  • If you do decide to grow it, monitor its behavior carefully

The Bottom Line

Valamuerto represents one of those fascinating botanical enigmas that remind us how much we still don’t know about the plant kingdom. While the mystery surrounding this variety might appeal to adventurous gardeners, most people would be better served by choosing well-documented native plants that offer known benefits to local ecosystems.

If you’re determined to explore the world of Senna species, consider researching other varieties with better documentation and known native status in your area. Your local pollinators – and your garden’s long-term health – will thank you for choosing plants with a clear track record of ecological compatibility.

Sometimes the most responsible gardening advice is simply: when in doubt, choose plants you can learn everything about. There are plenty of amazing native species waiting to fill that spot in your garden!

Valamuerto

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

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Senna Mill. - senna

Species

Senna pendula (Humb. & Bonpl. ex Willd.) Irwin & Barneby - valamuerto

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