North America Native Plant

West Indian Clearweed

Botanical name: Pilea inaequalis

USDA symbol: PIIN2

Life cycle: perennial

Habit: forb

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

Synonyms: Pilea obtusata Liebm. (PIOB)  âš˜  Pilea repens (Sw.) Weddell (PIRE4)   

West Indian Clearweed: A Lesser-Known Caribbean Native Worth Discovering If you’re looking to add some authentic Caribbean flair to your tropical garden, you might want to get acquainted with West Indian clearweed (Pilea inaequalis). This unassuming little perennial might not be the showstopper of your plant collection, but it brings ...

West Indian Clearweed: A Lesser-Known Caribbean Native Worth Discovering

If you’re looking to add some authentic Caribbean flair to your tropical garden, you might want to get acquainted with West Indian clearweed (Pilea inaequalis). This unassuming little perennial might not be the showstopper of your plant collection, but it brings its own quiet charm and ecological value to the right garden setting.

What Exactly Is West Indian Clearweed?

West Indian clearweed is a native perennial herb that belongs to the nettle family, though don’t worry – it won’t sting you! This small forb (that’s garden-speak for a non-woody flowering plant) is one of those plants that prefers to stay under the radar. You might also encounter it listed under its scientific synonyms Pilea obtusata or Pilea repens in older botanical references.

Where Does It Call Home?

This Caribbean native has made Puerto Rico and the U.S. Virgin Islands its home for countless generations. It’s perfectly adapted to the tropical conditions of these islands, thriving in the warm, humid climate that defines the region.

Should You Grow West Indian Clearweed?

Here’s the honest truth: West Indian clearweed isn’t going to win any beauty contests. It’s more of a supporting cast member than a leading lady in the garden world. However, there are some compelling reasons you might want to consider it:

  • It’s a true native if you’re gardening in Puerto Rico or the U.S. Virgin Islands
  • Perfect for naturalized or wild garden areas
  • Requires minimal maintenance once established
  • Adds authentic local character to native plant gardens
  • Suitable for wetland gardens or areas with variable moisture

Growing Conditions and Care

West Indian clearweed is what we’d call a facultative wetland plant – fancy words that simply mean it’s happy in wet conditions but can also tolerate drier spots. This flexibility makes it surprisingly easy to accommodate in various garden situations.

For those in USDA hardiness zones 10-11 (which covers its native range), this plant should overwinter without any fuss. It’s adapted to tropical conditions, so if you’re gardening outside these zones, you’d need to treat it as a container plant and protect it from frost.

Where Does It Fit in Your Garden?

Think of West Indian clearweed as nature’s groundcover option for informal, naturalized areas. It works beautifully in:

  • Native plant gardens focusing on Caribbean flora
  • Informal woodland or wild garden areas
  • Rain gardens or areas with seasonal flooding
  • Naturalized landscapes where low-maintenance plants are preferred

The Reality Check

Let’s be upfront: finding West Indian clearweed for purchase might be your biggest challenge. This isn’t exactly a mainstream nursery plant, and information about its specific growing requirements is limited. If you’re determined to grow it, you might need to connect with native plant societies or botanical gardens in its native range.

The Bottom Line

West Indian clearweed won’t transform your garden into a tropical paradise, but it will add an authentic touch of Caribbean biodiversity. It’s best suited for gardeners who prioritize native plants and ecological authenticity over flashy blooms or dramatic foliage. If you’re creating a naturalized landscape in Puerto Rico or the U.S. Virgin Islands and value plants with local heritage, this quiet little native might just earn a spot in your garden.

Just remember: sometimes the most valuable plants are the ones that blend seamlessly into the natural landscape, doing their ecological job without demanding center stage.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Caribbean

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

West Indian Clearweed

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Hamamelididae

Order

Urticales

Family

Urticaceae Juss. - Nettle family

Genus

Pilea Lindl. - clearweed

Species

Pilea inaequalis (Juss. ex Poir.) Weddell - West Indian clearweed

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