Non-native Plants

Ipecac

Cephaelis ipecacuanha

USDA symbol: CEIP

Pacific Basin excluding Hawaii: non-native, naturalized

Meet ipecac (Cephaelis ipecacuanha), a small tropical shrub that carries quite a bit of botanical baggage. This unassuming plant has traveled far from its South American roots and now calls some Pacific islands home. But before you consider adding it to your garden, there are some important things you should ...

Ipecac: A Tropical Shrub with a Complex History

Meet ipecac (Cephaelis ipecacuanha), a small tropical shrub that carries quite a bit of botanical baggage. This unassuming plant has traveled far from its South American roots and now calls some Pacific islands home. But before you consider adding it to your garden, there are some important things you should know about this interesting yet complicated species.

What Exactly Is Ipecac?

Ipecac is a small evergreen shrub that you might also see listed under its synonym, Psychotria ipecacuanha. Don’t let the fancy names fool you – this is essentially a compact tropical plant that produces glossy green leaves and delicate white flowers. It’s the kind of plant that blends quietly into a tropical landscape without making a big fuss about itself.

Where Does Ipecac Come From?

Here’s where things get interesting from a native gardening perspective. While ipecac originally hails from the Atlantic forests of Brazil, it’s now established itself as a non-native species in parts of the Pacific Basin, specifically in Guam and Palau. The plant has managed to reproduce and persist in these areas without human intervention, which shows just how adaptable it can be in the right conditions.

  • Species observed
  • No observations

Should You Plant Ipecac in Your Garden?

This is where we need to have an honest conversation. As someone who champions native gardening, I always encourage gardeners to consider native alternatives first. While ipecac isn’t classified as invasive or noxious, it is a non-native species that has already shown its ability to establish itself in new territories.

If you’re gardening in tropical zones and are set on growing ipecac, it won’t necessarily harm your local ecosystem – but it also won’t provide the same benefits that native plants offer to local wildlife and pollinators. Think of it as the botanical equivalent of neutral: not harmful, but not particularly helpful either.

Growing Ipecac Successfully

If you decide to grow ipecac, you’ll need to recreate its preferred tropical conditions. This plant is only suitable for USDA hardiness zones 10-11, so unless you live in a consistently warm, humid climate, you’ll be looking at container growing and bringing it indoors during cooler months.

Ideal Growing Conditions:

  • Partial to full shade (this plant actually prefers to avoid direct sunlight)
  • Consistently moist, well-draining soil
  • High humidity levels
  • Warm temperatures year-round
  • Protection from strong winds

Care Tips:

  • Water regularly to maintain consistent soil moisture, but don’t let it become waterlogged
  • Provide humidity through misting or using a humidity tray if growing indoors
  • Feed with a balanced, diluted fertilizer during the growing season
  • Prune lightly to maintain shape, though it naturally stays compact

Native Alternatives to Consider

Before you commit to ipecac, why not explore native alternatives that could provide similar aesthetic appeal while supporting your local ecosystem? Depending on your location, consider researching native shrubs that offer glossy foliage and small flowers. Your local native plant society or extension office can point you toward species that will thrive in your specific conditions while benefiting local wildlife.

The Bottom Line

Ipecac is neither a garden villain nor a native hero – it’s simply a tropical plant that exists in that middle ground of horticultural neutrality. If you’re drawn to its quiet charm and can provide the specific conditions it needs, it can be a pleasant addition to a tropical garden. However, as a native gardening advocate, I’d encourage you to first explore what amazing native options might be available in your area. You might be surprised by the incredible alternatives that are perfectly adapted to your local conditions and ready to support the wildlife that calls your region home.

Cephaelis ipecacuanha is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Cephaelis ipecacuanha is also known as:

Psychotria ipecacuanha | USDA symbol: PSIP

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

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: Cephaelis Sw. - cephaelis

Species: Cephaelis ipecacuanha (Brot.) Tussac - ipecac

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