North America Native Plant

Mamey De Cura

Botanical name: Ternstroemia stahlii

USDA symbol: TEST3

Life cycle: perennial

Habit: shrub

Native status: Native to Puerto Rico  

Synonyms: Taonabo pachyphylla (Krug & Urb.) Britton (TAPA12)  âš˜  Taonabo stahlii (Krug & Urb.) Britton (TAST2)   

Mamey de Cura: Puerto Rico’s Hidden Gem for Shade Gardens If you’re gardening in Puerto Rico and looking for a beautiful native shrub that thrives in shady spots, let me introduce you to mamey de cura (Ternstroemia stahlii). This unsung hero of Puerto Rican flora might just become your new ...

Mamey de Cura: Puerto Rico’s Hidden Gem for Shade Gardens

If you’re gardening in Puerto Rico and looking for a beautiful native shrub that thrives in shady spots, let me introduce you to mamey de cura (Ternstroemia stahlii). This unsung hero of Puerto Rican flora might just become your new favorite understory plant!

What is Mamey de Cura?

Mamey de cura is a charming perennial shrub that’s as Puerto Rican as it gets – it’s found nowhere else in the world! This multi-stemmed woody plant typically reaches 13 to 16 feet in height, though it can sometimes grow taller or develop a single trunk depending on growing conditions. You might also see it listed under its former scientific names, Taonabo pachyphylla or Taonabo stahlii, but Ternstroemia stahlii is the current accepted name.

Where Does It Grow?

This special shrub is endemic to Puerto Rico, where it naturally grows in the island’s mountainous regions. As a true native, it’s perfectly adapted to local conditions and plays an important role in Puerto Rico’s native ecosystems.

Why Plant Mamey de Cura in Your Garden?

There are several compelling reasons to consider this native beauty for your landscape:

  • Stunning aesthetics: Glossy dark green leaves provide year-round appeal, while small, fragrant white flowers add seasonal interest
  • Perfect for shade: Unlike many flowering shrubs, mamey de cura actually prefers partial shade to full shade conditions
  • Native plant benefits: Supporting local ecosystems and requiring less maintenance than non-native alternatives
  • Pollinator friendly: The flowers attract beneficial insects and small pollinators
  • Compact form: Excellent as a specimen plant, foundation planting, or understory shrub

Is It Right for Your Garden?

Mamey de cura works wonderfully in several garden styles:

  • Native plant gardens showcasing Puerto Rican flora
  • Tropical shade gardens
  • Understory plantings beneath larger trees
  • Foundation plantings on the north side of buildings

However, this plant is only suitable for gardeners in USDA hardiness zones 10-11, which means it’s primarily limited to tropical climates like Puerto Rico, southern Florida, and Hawaii.

Growing Conditions and Care

The good news is that mamey de cura is relatively easy to grow when you meet its basic needs:

Light requirements: Partial shade to full shade – avoid intense direct sunlight

Soil preferences: Well-draining, acidic soil rich in organic matter. It naturally grows as a facultative upland plant, meaning it prefers non-wetland conditions but can tolerate occasional wet periods.

Water needs: Moderate moisture when establishing, but becomes quite drought-tolerant once mature

Maintenance: Minimal pruning required – just remove any dead or damaged branches as needed

Planting and Care Tips

To give your mamey de cura the best start:

  • Choose a location with morning sun and afternoon shade, or dappled light throughout the day
  • Improve clay soils with compost or other organic matter to ensure good drainage
  • Water regularly during the first year to help establish a strong root system
  • Apply a layer of organic mulch around the base to retain moisture and suppress weeds
  • Fertilize sparingly – native plants typically don’t need heavy feeding

The Bottom Line

For Puerto Rican gardeners seeking authentic native plants, mamey de cura offers a perfect combination of beauty, ecological value, and low-maintenance growing. Its glossy foliage, fragrant flowers, and ability to thrive in shade make it an excellent choice for tropical landscapes. While gardeners in other climates won’t be able to grow this particular species, it serves as a wonderful example of why choosing native plants for your local area is always the best approach.

If you’re outside Puerto Rico but inspired by this lovely shrub, consider researching native Ternstroemia species or similar shade-loving native shrubs in your own region – every area has its own special plants waiting to be discovered!

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 work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags 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. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Caribbean

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Mamey De Cura

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Theales

Family

Theaceae Mirb. - Tea family

Genus

Ternstroemia Mutis ex L. f. - ternstroemia

Species

Ternstroemia stahlii Krug & Urb. - mamey de cura

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