North America Non-native Plant

Homalocladium

Botanical name: Homalocladium

USDA symbol: HOMAL2

Life cycle: perennial

Habit: vine

Native status: Non-native, reproduces and persists in the wild in Puerto Rico  

Homalocladium: The Quirky Ribbon Bush That’s Not Your Average Shrub If you’re looking for a conversation starter in your garden, homalocladium might just be your plant. This unusual shrub, also known as the Ribbon Bush or Tapeworm Plant, is definitely not your typical garden variety. With its bizarre flattened stems ...

Homalocladium: The Quirky Ribbon Bush That’s Not Your Average Shrub

If you’re looking for a conversation starter in your garden, homalocladium might just be your plant. This unusual shrub, also known as the Ribbon Bush or Tapeworm Plant, is definitely not your typical garden variety. With its bizarre flattened stems that look more like green ribbons than traditional plant parts, homalocladium is the botanical equivalent of that quirky friend who always has interesting stories to tell.

What Makes Homalocladium So Unusual?

Homalocladium is a perennial shrub that throws the rulebook out the window when it comes to typical plant appearance. Instead of relying primarily on leaves for photosynthesis, this plant has evolved flattened, ribbon-like stems that do most of the heavy lifting. These green, segmented stems can grow in fascinating zigzag patterns, creating an almost architectural look in the garden.

The plant does produce small leaves, but they often drop off, leaving those distinctive flattened stems to steal the show. Small, inconspicuous white or greenish flowers appear along the stem edges, eventually giving way to bright red berries that add another layer of visual interest.

Where Does Homalocladium Come From?

This unique shrub is native to the Solomon Islands and Papua New Guinea in the Pacific. However, it has made its way to other tropical locations, including Puerto Rico, where it has naturalized and now reproduces on its own in the wild.

Should You Plant Homalocladium in Your Garden?

Here’s where things get interesting. Homalocladium is definitely a non-native species, which means it didn’t naturally evolve in most of the places where it’s now grown. In Puerto Rico, it has established itself and spreads without human help, though it’s not currently classified as invasive.

If you’re passionate about native gardening, you might want to consider native alternatives that can provide unique architectural interest while supporting local ecosystems. However, if you’re in a tropical or subtropical zone and want to add something truly unusual to your garden, homalocladium can be an interesting choice for the right gardener.

Growing Conditions and Care

The good news is that homalocladium is surprisingly easy to grow, especially considering how exotic it looks. Here’s what this ribbon-stemmed wonder needs to thrive:

  • Climate: USDA hardiness zones 10-12 only – this is strictly a warm-weather plant
  • Light: Partial shade to full sun, though it appreciates some protection from intense afternoon sun
  • Soil: Well-draining soil is essential – soggy roots are not this plant’s friend
  • Water: Moderate water needs, drought tolerant once established
  • Size: Typically grows 4-5 feet tall and wide, though it can get larger under ideal conditions

Planting and Care Tips

Getting started with homalocladium is refreshingly straightforward:

  • Plant in spring after any danger of cold weather has passed
  • Choose a location with good drainage – raised beds or containers work well
  • Space plants about 4-6 feet apart if planting multiple specimens
  • Water regularly during establishment, then reduce frequency as the plant matures
  • Pruning is mainly for shape – those ribbon stems are pretty forgiving
  • Propagation from stem cuttings is relatively easy if you want to expand your collection

Garden Design Ideas

Homalocladium works best as a specimen plant or focal point where its unique structure can be appreciated. It’s perfect for:

  • Modern or contemporary garden designs that embrace unusual forms
  • Container gardening on patios or decks
  • Novelty gardens or collections of unusual plants
  • Areas where you want year-round structural interest without traditional foliage

The Bottom Line

Homalocladium is definitely not for every garden or every gardener. If you’re committed to native-only plantings, there are probably better choices for your landscape. However, if you’re in the right climate zone and want something that will make visitors do a double-take, this ribbon-stemmed oddball might be worth considering.

Just remember to be a responsible gardener – keep an eye on how it behaves in your specific location, and always prioritize native plants that support local wildlife and ecosystems. After all, the most sustainable garden is one that works with nature, not against it.

Homalocladium

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Polygonales

Family

Polygonaceae Juss. - Buckwheat family

Genus

Homalocladium (F. Muell.) L.H. Bailey - homalocladium

Species

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