North America Native Plant

Palo Iloron

Botanical name: Antirhea lucida

USDA symbol: ANLU3

Life cycle: perennial

Habit: shrub

Native status: Native to Puerto Rico âš˜ Native to the U.S. Virgin Islands  

Synonyms: Laugeria lucida Sw. (LALU2)  âš˜  Stenostomum lucidum (Sw.) C.F. Gaertn. (STLU3)   

Palo Iloron: A Hidden Gem for Caribbean Native Gardens If you’re looking to add authentic Caribbean charm to your tropical garden, meet Palo Iloron (Antirhea lucida). This understated native shrub might not be the flashiest plant on the block, but it brings something special to the table: genuine local heritage ...

Palo Iloron: A Hidden Gem for Caribbean Native Gardens

If you’re looking to add authentic Caribbean charm to your tropical garden, meet Palo Iloron (Antirhea lucida). This understated native shrub might not be the flashiest plant on the block, but it brings something special to the table: genuine local heritage and effortless tropical elegance.

What is Palo Iloron?

Palo Iloron is a perennial shrub that’s as Puerto Rican and Virgin Islander as it gets. This multi-stemmed woody plant typically stays under 13-16 feet tall, making it perfect for those spots where you need something substantial but not overwhelming. You might also see it listed under its scientific synonyms Laugeria lucida or Stenostomum lucidum, but don’t let the name games fool you – it’s the same delightful shrub.

Where Does Palo Iloron Call Home?

This native beauty is found naturally in Puerto Rico and the U.S. Virgin Islands, where it has been quietly beautifying the landscape for countless years. If you’re gardening in these areas, you’re looking at a plant that truly belongs in your backyard.

Why Choose Palo Iloron for Your Garden?

Here’s where Palo Iloron really shines:

  • Authentic native appeal: You’re not just growing a plant – you’re preserving local botanical heritage
  • Manageable size: Perfect for smaller spaces or as an understory shrub
  • Tropical elegance: Glossy dark green leaves and delicate white flowers create that quintessential Caribbean look
  • Pollinator friendly: Those small flowers are perfect landing pads for local bees and butterflies
  • Low maintenance: Once established, this shrub pretty much takes care of itself

Perfect Garden Settings

Palo Iloron is your go-to shrub for:

  • Native Caribbean plant collections
  • Tropical shade gardens
  • Understory plantings beneath larger trees
  • Mixed shrub borders with other native species
  • Sustainable landscaping projects

Growing Conditions and Care

The beauty of native plants like Palo Iloron is that they’re already adapted to local conditions. Here’s what this shrub prefers:

  • Climate: USDA zones 10-11 (tropical and subtropical)
  • Light: Partial shade to full sun – pretty flexible!
  • Soil: Well-draining soil that doesn’t stay soggy
  • Water: Regular watering while getting established, then it’s quite drought tolerant
  • Maintenance: Occasional pruning to maintain shape, but nothing demanding

Planting and Care Tips

Getting started with Palo Iloron is refreshingly straightforward:

  • Plant during the wet season for best establishment
  • Give it space to spread – remember, it’s a multi-stemmed shrub
  • Water regularly for the first few months, then scale back
  • Mulch around the base to retain moisture and suppress weeds
  • Prune lightly after flowering to maintain an attractive shape

The Bottom Line

Palo Iloron might not be the showiest plant in your garden, but it brings something invaluable: authentic local character and proven adaptability. If you’re in Puerto Rico or the U.S. Virgin Islands and want to create a truly native landscape, this reliable shrub deserves a spot on your list. It’s like having a piece of Caribbean botanical history right in your backyard – and who doesn’t want that?

Just remember to source your plants responsibly from reputable native plant nurseries. Your garden – and the local ecosystem – will thank you for choosing this genuine Caribbean native.

Palo Iloron

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Rubiales

Family

Rubiaceae Juss. - Madder family

Genus

Antirhea Comm. ex Juss. - quina

Species

Antirhea lucida (Sw.) Hook. f. - palo iloron

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