North America Non-native Plant

Malanga

Botanical name: Cladium colocasia

USDA symbol: CLCO7

Life cycle: perennial

Habit: grass

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

Malanga (Cladium colocasia): A Plant Identity Mystery If you’ve come across the name malanga associated with Cladium colocasia in your gardening research, you might be scratching your head – and for good reason! This particular plant name presents quite the botanical puzzle that’s worth unraveling before you consider adding it ...

Malanga (Cladium colocasia): A Plant Identity Mystery

If you’ve come across the name malanga associated with Cladium colocasia in your gardening research, you might be scratching your head – and for good reason! This particular plant name presents quite the botanical puzzle that’s worth unraveling before you consider adding it to your garden.

What’s in a Name?

The botanical name Cladium colocasia appears to be problematic from a taxonomic standpoint. The genus Cladium typically refers to saw-grass species in the sedge family, while the species name colocasia is more commonly associated with elephant ear plants (genus Colocasia). This unusual combination raises questions about the plant’s true identity.

The Geographic Story

According to available data, this plant is reported as a non-native species that has established itself in Puerto Rico, where it reproduces spontaneously and persists in the wild. However, given the uncertainty around the plant’s true identity, even this geographic information should be viewed with caution.

A Grass-Like Growth Habit

What we do know is that this plant is described as having a grass-like growth habit, placing it among the sedges, grasses, rushes, or similar monocot plants. As a perennial, it would be expected to return year after year once established.

The Identification Challenge

Here’s where things get tricky for gardeners: the lack of reliable, detailed information about Cladium colocasia makes it difficult to provide solid growing advice. When a plant’s identity is uncertain, it’s challenging to know:

  • Its true growing requirements
  • Whether it might be invasive in your area
  • What benefits it might provide to wildlife
  • How it will perform in your specific garden conditions

A Word of Caution

Given the taxonomic uncertainty surrounding this plant name, we’d recommend extreme caution before attempting to grow it. If you’re interested in adding native grasses or sedges to your garden, consider working with your local native plant society or extension office to identify properly documented species that are appropriate for your region.

Better Alternatives

Instead of pursuing this questionably identified plant, consider exploring well-documented native sedges and grasses for your area. These alternatives will give you the confidence that comes with knowing exactly what you’re growing and how it will behave in your landscape.

If you believe you’ve encountered this plant or have additional information about Cladium colocasia, we’d encourage you to consult with botanical experts or herbarium specialists who can help clarify its true identity. After all, successful gardening starts with knowing exactly what you’re growing!

Malanga

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Commelinidae

Order

Cyperales

Family

Cyperaceae Juss. - Sedge family

Genus

Cladium P. Br. - sawgrass

Species

Cladium colocasia (L.) W. Wight - malanga

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