North America Native Plant

Lemon Saptree

Botanical name: Garcinia hessii

USDA symbol: GAHE5

Life cycle: perennial

Habit: shrub

Native status: Native to Puerto Rico  

Synonyms: Rheedia hessii Britton (RHHE)   

Lemon Saptree: A Mysterious Native Shrub of Puerto Rico Meet the lemon saptree (Garcinia hessii), one of Puerto Rico’s lesser-known native shrubs that’s as intriguing as it is elusive. If you’re scratching your head wondering why you’ve never heard of this plant, you’re not alone – this perennial woody shrub ...

Lemon Saptree: A Mysterious Native Shrub of Puerto Rico

Meet the lemon saptree (Garcinia hessii), one of Puerto Rico’s lesser-known native shrubs that’s as intriguing as it is elusive. If you’re scratching your head wondering why you’ve never heard of this plant, you’re not alone – this perennial woody shrub is one of those quiet natives that tends to fly under the radar in the gardening world.

What Exactly Is a Lemon Saptree?

The lemon saptree belongs to the Garcinia genus, which you might recognize from the more famous mangosteen fruit. This particular species is a true Puerto Rican native, making it a fantastic choice for gardeners looking to support local ecosystems. As a perennial shrub, it typically grows with multiple stems arising from or near the ground, usually staying under 13-16 feet tall – though like many plants, it might surprise you and grow taller under the right conditions.

You might also see this plant referenced by its scientific synonym, Rheedia hessii, in older botanical literature.

Where Does It Call Home?

This shrub is exclusively native to Puerto Rico, making it a true island endemic. It’s perfectly adapted to the tropical conditions of its homeland and represents an important piece of Puerto Rico’s unique botanical heritage.

The Challenge: Limited Growing Information

Here’s where things get a bit tricky – and honestly, pretty frustrating for us plant enthusiasts. Despite being a native species, there’s surprisingly little documented information about growing lemon saptree in cultivation. This gap in knowledge is unfortunately common with many lesser-known native species that haven’t made it into mainstream horticulture.

What We Do Know About Growing Conditions

Based on its Puerto Rican origins, we can make some educated guesses about what this shrub might prefer:

  • Tropical to subtropical climate conditions
  • Likely thrives in USDA hardiness zones 10-11
  • Probably enjoys warm, humid conditions year-round
  • May prefer partial shade to full sun, typical of many tropical shrubs

Should You Plant It?

If you’re gardening in Puerto Rico, absolutely! Supporting native species is always a win for local wildlife and ecosystem health. Native plants are naturally adapted to local conditions, typically require less water and fertilizer once established, and provide crucial habitat for native wildlife.

However, if you’re outside Puerto Rico, this might be a challenging plant to source and grow successfully. The lack of cultivation information also means you’d be somewhat on your own when it comes to care requirements.

The Conservation Angle

While we don’t have specific information about the rarity status of lemon saptree, many Puerto Rican native plants face pressure from habitat loss and development. By choosing to grow native species like this one (when possible), you’re contributing to conservation efforts and helping preserve genetic diversity.

Alternatives and Similar Plants

If you’re drawn to the idea of growing a Garcinia species but lemon saptree isn’t available, consider looking into other members of the genus that might be more readily available in cultivation. Just remember to always choose plants appropriate for your climate zone and local ecosystem.

The Bottom Line

Lemon saptree represents one of those fascinating native plants that deserves more attention from both gardeners and researchers. While the limited information available makes it challenging to provide specific growing advice, its status as a Puerto Rican native makes it worthy of conservation and cultivation efforts.

If you’re a Puerto Rican gardener interested in native plants, this might be worth seeking out from specialty native plant suppliers – though you might need to do some detective work to find it. And if you do manage to grow it successfully, consider sharing your experience with the broader gardening community. We could all use more real-world growing information about these lesser-known native treasures!

Lemon Saptree

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

Clusiaceae Lindl. - Mangosteen family

Genus

Garcinia L. - saptree

Species

Garcinia hessii (Britton) Alain - lemon saptree

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