North America Non-native Plant

Ebony Coccuswood

Botanical name: Brya ebenus

USDA symbol: BREB

Life cycle: perennial

Habit: shrub

Native status: Non-native, reproduces and persists in the wild in Puerto Rico  

Synonyms: Aspalatus ebenus L. (ASEB3)   

Ebony Coccuswood: A Rare Caribbean Shrub Worth Knowing About If you’ve stumbled across the name ebony coccuswood in your plant research, you’ve discovered one of the more elusive members of the legume family. Brya ebenus, as botanists know it, is a fascinating shrub that tells a story of rarity and ...

Rare plant alert!

Region: Conservation status by state

Status: S3: Status is uncertain but is somewhere between the following rankings: Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Ebony Coccuswood: A Rare Caribbean Shrub Worth Knowing About

If you’ve stumbled across the name ebony coccuswood in your plant research, you’ve discovered one of the more elusive members of the legume family. Brya ebenus, as botanists know it, is a fascinating shrub that tells a story of rarity and conservation in the tropical world.

What Is Ebony Coccuswood?

Ebony coccuswood is a perennial, multi-stemmed woody shrub that typically grows less than 13 to 16 feet tall. Like many shrubs, it usually develops several stems from near the ground, giving it that classic bushy appearance we associate with tropical shrubs. Don’t let the name fool you though – while it shares ebony in its common name, this isn’t the same as the famous ebony wood trees.

Where Does It Come From?

Here’s where things get interesting from a conservation standpoint. Ebony coccuswood has established itself in Puerto Rico, where it now reproduces on its own in the wild. However, it’s not actually native to the island – it’s what botanists call a naturalized species, meaning it was introduced but has adapted well enough to persist without human help.

The Rarity Factor: Why This Matters

Before you get excited about adding this unique shrub to your garden, there’s something important you need to know. Ebony coccuswood has a Global Conservation Status of S3, which puts it in the Vulnerable category. This means it’s either very rare throughout its range or found only in restricted areas, with typically just 21 to 100 occurrences worldwide or between 3,000 and 10,000 individual plants total.

What does this mean for you as a gardener? If you’re determined to grow this species, you absolutely must source it responsibly. Never collect plants from the wild, and only purchase from reputable nurseries that can guarantee their plants were propagated ethically, not wild-collected.

Growing Challenges and Unknowns

Here’s the honest truth about ebony coccuswood: detailed growing information is surprisingly scarce. This rarity extends beyond just the plant numbers – it’s also rare in cultivation, which means we don’t have the wealth of growing tips and tricks that exist for more common garden plants.

What we do know is that it’s adapted to tropical conditions, given its presence in Puerto Rico. Beyond that, specifics about soil preferences, watering needs, and care requirements remain largely undocumented in readily available horticultural literature.

Should You Grow Ebony Coccuswood?

This is where we need to have a thoughtful conversation. While ebony coccuswood isn’t listed as invasive or noxious, its vulnerable conservation status raises important ethical questions. As responsible gardeners, we should ask ourselves whether growing a rare species is the best choice when so many wonderful alternatives exist.

Better Alternatives: Native Options to Consider

Instead of seeking out this rare species, consider exploring native leguminous shrubs from your own region. These plants will:

  • Be better adapted to your local climate
  • Support local wildlife and pollinators
  • Require less maintenance once established
  • Help preserve local ecosystem integrity
  • Be more readily available from local nurseries

Your local native plant society or extension office can point you toward beautiful native shrubs that will thrive in your garden while supporting local biodiversity.

The Bottom Line

Ebony coccuswood represents an interesting piece of botanical diversity, but it’s probably not the right choice for most home gardeners. Its vulnerable conservation status, limited cultivation information, and non-native status in its current range all point toward exploring other options for your landscape.

If you’re drawn to unique leguminous shrubs, channel that enthusiasm into discovering the native treasures in your own backyard. You might be surprised by the beautiful, rare, and ecologically valuable plants that are perfectly suited to your local conditions – and won’t raise any conservation concerns.

Remember, the most sustainable garden is one that works with nature, not against it. By choosing native plants, you’re creating habitat, supporting local wildlife, and contributing to the health of your local ecosystem. Now that’s something worth growing!

Ebony Coccuswood

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

Brya P. Br. - coccuswood

Species

Brya ebenus (L.) DC. - ebony coccuswood

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