North America Non-native Plant

Sessileleaf False Oxtongue

Botanical name: Blumea sessiliflora

USDA symbol: BLSE2

Life cycle: annual

Habit: forb

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

Sessileleaf False Oxtongue: What You Need to Know About This Lesser-Known Hawaiian Introduction If you’ve stumbled across the name sessileleaf false oxtongue in your plant research, you might be wondering what exactly this intriguingly named species is all about. Blumea sessiliflora, as it’s known scientifically, is one of those plants ...

Sessileleaf False Oxtongue: What You Need to Know About This Lesser-Known Hawaiian Introduction

If you’ve stumbled across the name sessileleaf false oxtongue in your plant research, you might be wondering what exactly this intriguingly named species is all about. Blumea sessiliflora, as it’s known scientifically, is one of those plants that flies under the radar in most gardening circles – and there’s a good reason for that.

The Basics: What Is Sessileleaf False Oxtongue?

Sessileleaf false oxtongue is an annual plant that belongs to the diverse world of flowering plants. As an annual, it completes its entire life cycle in just one growing season – sprouting, growing, flowering, setting seed, and dying all within a single year.

Where Does It Come From and Where Does It Grow?

Here’s where things get interesting from a native gardening perspective. Blumea sessiliflora isn’t actually native to the United States. Instead, it’s what botanists call a naturalized species – meaning it was introduced from elsewhere (likely Southeast Asia) and has established itself in the wild without human help.

Currently, you’ll find this plant growing in Hawaii, where it has managed to reproduce spontaneously and persist in the landscape. It tends to favor upland areas rather than wetlands, though it can occasionally pop up in wetter spots.

Should You Plant Sessileleaf False Oxtongue in Your Garden?

This is where we need to have an honest conversation. While sessileleaf false oxtongue isn’t currently listed as invasive or noxious, there’s surprisingly little information available about this species in horticultural literature. This lack of documentation makes it difficult to provide specific growing advice or to fully understand its potential impacts on local ecosystems.

What We Don’t Know (And Why That Matters)

Unfortunately, many details about this plant remain unclear, including:

  • Specific growing requirements and care instructions
  • Mature size and growth habits
  • Benefits to pollinators and wildlife
  • Potential invasive characteristics
  • Propagation methods

This lack of information isn’t necessarily a red flag, but it does mean that choosing to grow this plant would be something of an experiment.

Native Alternatives to Consider

If you’re gardening in Hawaii and looking for annual plants that will thrive in your landscape, consider exploring native Hawaiian species instead. Native plants offer several advantages:

  • They’re naturally adapted to local growing conditions
  • They support local wildlife and pollinators that evolved alongside them
  • They help preserve Hawaii’s unique botanical heritage
  • They typically require less maintenance once established

The Bottom Line

While sessileleaf false oxtongue might sound intriguing, its status as a lesser-documented non-native species makes it a questionable choice for most gardeners. The lack of available information about its growing requirements, potential benefits, and ecological impacts suggests that your gardening efforts might be better invested in well-documented native species that will reliably support your local ecosystem.

If you do encounter this plant growing wild in Hawaii, consider it an interesting botanical curiosity – but perhaps look elsewhere when planning your native garden purchases.

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

Hawaii

FACU

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

Sessileleaf False Oxtongue

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Blumea DC. - false oxtongue

Species

Blumea sessiliflora Decne. - sessileleaf false oxtongue

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