Native Plants

Cachimbo-cumun

Psychotria berteriana

USDA symbol: PSBE

perennial shrub

Puerto Rico: native

If you’re gardening in Puerto Rico or other tropical locations and looking to incorporate native plants into your landscape, you might want to get acquainted with cachimbo-cumun (Psychotria berteriana). This native Puerto Rican shrub belongs to the coffee family and offers an authentic piece of the island’s natural heritage for ...

Cachimbo-Cumun: A Native Puerto Rican Shrub Worth Knowing

If you’re gardening in Puerto Rico or other tropical locations and looking to incorporate native plants into your landscape, you might want to get acquainted with cachimbo-cumun (Psychotria berteriana). This native Puerto Rican shrub belongs to the coffee family and offers an authentic piece of the island’s natural heritage for your garden.

What is Cachimbo-Cumun?

Cachimbo-cumun is a perennial shrub that typically grows as a multi-stemmed woody plant, usually reaching heights of 13 to 16 feet (4 to 5 meters), though it can vary depending on growing conditions. Like other members of the Psychotria genus, this plant is part of the coffee family (Rubiaceae) and has adapted to thrive in tropical environments.

Where Does It Grow Naturally?

This shrub is native to Puerto Rico, where it has evolved to thrive in the island’s unique climate and ecosystem. Its natural distribution is limited to Puerto Rico, making it a truly local species that represents the authentic flora of the region.

  • Species observed
  • No observations

Garden Versatility

One of the interesting characteristics of cachimbo-cumun is its facultative wetland status in the Caribbean region. This means it’s quite the adaptable plant – it can handle both wetland conditions and drier sites, giving you flexibility in where you place it in your landscape. Whether you have a consistently moist area or a spot that experiences varying moisture levels, this shrub might just work.

Growing Conditions and Care

While specific growing requirements for cachimbo-cumun aren’t extensively documented, we can look to its family characteristics and native habitat for guidance:

  • Climate: Being native to Puerto Rico, it’s adapted to tropical conditions and likely thrives in USDA zones 10-12
  • Moisture: Its facultative wetland status suggests it can handle varying moisture levels
  • Light: Many Psychotria species prefer partial shade to filtered light, typical of understory plants
  • Soil: Likely prefers well-draining but moisture-retentive soil, typical of tropical forest conditions

Why Choose Native Plants?

Selecting native plants like cachimbo-cumun for your Puerto Rican garden comes with several benefits. Native plants are naturally adapted to local climate conditions, often require less water and maintenance once established, and support local wildlife that has evolved alongside them. They’re also an authentic way to celebrate and preserve the unique character of Puerto Rico’s natural landscape.

The Bottom Line

While cachimbo-cumun might not be the most well-documented plant in horticultural circles, it represents an opportunity to grow something truly native to Puerto Rico. If you’re interested in native gardening and have access to this plant through responsible sources, it could be a worthy addition to your tropical landscape. Just remember that with any less-common native plant, you might need to do some experimenting to find the perfect spot and care routine in your specific garden.

As always, when working with native plants, especially those that aren’t widely cultivated, it’s best to source them responsibly from reputable native plant nurseries or propagation programs that support conservation efforts.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" — matching plants to their ideal growing conditions, so they'll thrive with less care and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection can be if you don't have the right information. While tags on nursery plants list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. You might be surprised to learn that popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. The table below gives insight into the preferred growing conditions of this plant throughout its geographical distribution.

Region
Preferred Habitat

Caribbean (PR, VI)

Facultative
Wetland Glossary
Obligate Wetland
Facultative Wetland
Facultative
Facultative Upland
Obligate Upland
Almost always occurs in wetlands
Usually occurs in wetlands but may occur in non-wetlands
Can occur in wetlands and non-wetlands
Usually occurs in non-wetlands but may occur in wetlands
Almost never occurs in wetlands

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Rubiales
Family: Rubiaceae Juss. - Madder family
Genus: Psychotria L. - wild coffee

Species: Psychotria berteriana DC. - cachimbo-cumun

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