North America Native Plant

Spoonleaf Yellow Loosestrife

Botanical name: Lysimachia mauritiana

USDA symbol: LYMA4

Life cycle: perennial

Habit: forb

Native status: Native to Hawaii  

Spoonleaf Yellow Loosestrife: A Lesser-Known Hawaiian Native If you’re passionate about Hawaiian native plants, you might have stumbled across the intriguing Lysimachia mauritiana, commonly known as spoonleaf yellow loosestrife. This perennial herbaceous plant is one of Hawaii’s native treasures, though it remains somewhat mysterious in the gardening world due to ...

Spoonleaf Yellow Loosestrife: A Lesser-Known Hawaiian Native

If you’re passionate about Hawaiian native plants, you might have stumbled across the intriguing Lysimachia mauritiana, commonly known as spoonleaf yellow loosestrife. This perennial herbaceous plant is one of Hawaii’s native treasures, though it remains somewhat mysterious in the gardening world due to limited cultivation information.

What Makes This Plant Special?

Spoonleaf yellow loosestrife is a true Hawaiian native, meaning it evolved naturally in the islands long before human arrival. As a member of the primrose family, this perennial forb (that’s botanist-speak for a non-woody flowering plant) has adapted specifically to Hawaiian growing conditions over thousands of years.

Where You’ll Find It Growing

This plant calls Hawaii home exclusively, making it an endemic species found nowhere else on Earth. Its natural distribution is limited to the Hawaiian Islands, where it has carved out its own ecological niche.

Garden Versatility and Growing Habits

One of the interesting characteristics of spoonleaf yellow loosestrife is its facultative wetland status. This means it’s quite the adaptable character – it can thrive in both wet and dry conditions, making it potentially valuable for gardeners dealing with varying moisture levels in their landscapes.

As a forb, this plant maintains a herbaceous growth habit without developing significant woody tissue. It’s perennial, so once established, it should return year after year, though specific details about its size, growth rate, and appearance remain elusive in horticultural literature.

The Challenge for Hawaiian Gardeners

Here’s where things get interesting (and a bit frustrating): while we know this plant exists and is native to Hawaii, detailed growing information is surprisingly scarce. This isn’t uncommon with many Hawaiian native plants, as much of the focus in native plant cultivation has centered around more prominent or well-documented species.

Why Consider Native Hawaiian Plants?

Even though specific cultivation details for spoonleaf yellow loosestrife are limited, there are compelling reasons to consider Hawaiian natives in your garden:

  • They’re perfectly adapted to local climate conditions
  • They support native wildlife and ecosystem health
  • They require less water and maintenance once established
  • They help preserve Hawaii’s unique botanical heritage
  • They’re naturally resistant to local pests and diseases

Moving Forward Responsibly

If you’re intrigued by Lysimachia mauritiana and want to incorporate it into your Hawaiian landscape, your best bet is to connect with local native plant societies, botanical gardens, or university extension programs. These organizations often have the most current information about lesser-known native species and can guide you toward responsible sourcing.

Given its facultative wetland status, this plant might be particularly valuable for rain gardens or areas with variable moisture conditions – but definitely consult with local experts before making any planting decisions.

The Bigger Picture

While we may not have all the cultivation details for spoonleaf yellow loosestrife, its existence reminds us of the incredible diversity of Hawaiian native plants. Many of these species are still waiting for their moment in the horticultural spotlight, and each one represents a piece of Hawaii’s natural heritage worth preserving and celebrating.

Sometimes the most rewarding gardening adventures begin with the plants we know least about – they’re the ones that push us to learn, connect with experts, and become part of the conservation story.

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

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Spoonleaf Yellow Loosestrife

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Primulales

Family

Primulaceae Batsch - Primrose family

Genus

Lysimachia L. - yellow loosestrife

Species

Lysimachia mauritiana Lam. - spoonleaf yellow loosestrife

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