North America Native Plant

Stipulate Leaf-flower

Botanical name: Phyllanthus stipulatus

USDA symbol: PHST5

Life cycle: annual

Habit: subshrub

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

Synonyms: Phyllanthus diffusus Klotzsch (PHDI11)   

Stipulate Leaf-Flower: A Lesser-Known Caribbean Native Worth Discovering If you’re looking to add some authentic Caribbean flair to your garden, you might want to get acquainted with the stipulate leaf-flower (Phyllanthus stipulatus). This charming little plant might not be the showiest member of the plant kingdom, but it’s got that ...

Stipulate Leaf-Flower: A Lesser-Known Caribbean Native Worth Discovering

If you’re looking to add some authentic Caribbean flair to your garden, you might want to get acquainted with the stipulate leaf-flower (Phyllanthus stipulatus). This charming little plant might not be the showiest member of the plant kingdom, but it’s got that special something that makes native plant enthusiasts take notice.

What is Stipulate Leaf-Flower?

The stipulate leaf-flower is a forb herb – basically a non-woody plant that stays relatively low to the ground. Think of it as nature’s version of a ground-hugger, without the significant woody tissue that trees and shrubs show off. This little guy can be either annual or perennial, making it somewhat of a botanical wildcard that keeps gardeners guessing.

You might also see this plant listed under its former name, Phyllanthus diffusus, if you’re digging through older gardening references or botanical texts.

Where Does It Call Home?

This plant is a true Caribbean native, calling both Puerto Rico and the U.S. Virgin Islands home. It’s perfectly adapted to island life and knows how to make the most of tropical and subtropical conditions.

The Wetland Connection

Here’s where things get interesting – stipulate leaf-flower has a Facultative Wetland status in the Caribbean region. This fancy term simply means it’s equally happy with its feet wet or dry. You’ll usually find it hanging out in wetland areas, but don’t be surprised if it pops up in drier spots too. It’s basically the adaptable friend of the plant world.

Why Consider Growing Stipulate Leaf-Flower?

While this plant might not be the most well-documented species in gardening circles, there are some compelling reasons to give it a try:

  • Native authenticity: If you’re gardening in Puerto Rico or the U.S. Virgin Islands, this plant belongs in your landscape
  • Adaptability: Its wetland flexibility means it can handle varying moisture conditions
  • Low maintenance: As a native species, it’s naturally adapted to local conditions
  • Conservation value: Growing native plants supports local ecosystems

The Growing Challenge

Here’s the honest truth – specific growing information for stipulate leaf-flower is pretty scarce in mainstream gardening resources. This plant falls into that category of understudied natives that deserves more attention than it gets.

What we do know is that as a Caribbean native with wetland tendencies, it likely appreciates:

  • Warm, tropical to subtropical conditions
  • Consistent moisture (though it can handle some drought)
  • Well-draining soil that doesn’t stay soggy
  • Protection from harsh, drying winds

Garden Design Ideas

Given its forb herb nature and wetland tolerance, stipulate leaf-flower could work well in:

  • Rain gardens or bioswales
  • Native plant borders
  • Naturalized areas near water features
  • Wildlife-friendly garden spaces

A Plant Worth Investigating

While stipulate leaf-flower might not have the extensive growing guides of more popular plants, that’s exactly what makes it intriguing. If you’re gardening in its native range and want to try something authentically local, this could be your chance to become a pioneer grower.

Consider reaching out to local native plant societies, botanical gardens, or university extension offices in Puerto Rico or the U.S. Virgin Islands – they might have insights about growing and sourcing this lesser-known native.

Sometimes the most rewarding garden discoveries come from the plants that don’t have their own Instagram accounts yet. The stipulate leaf-flower might just be one of those hidden gems waiting for the right gardener to give it a chance to shine.

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

Stipulate Leaf-flower

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Euphorbiales

Family

Euphorbiaceae Juss. - Spurge family

Genus

Phyllanthus L. - leafflower

Species

Phyllanthus stipulatus (Raf.) G.L. Webster - stipulate leaf-flower

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