North America Native Plant

Oldenlandia Biflora

Botanical name: Oldenlandia biflora

USDA symbol: OLBI2

Native status: Native to Pacific Basin excluding Hawaii  

Synonyms: Hedyotis biflora (L.) Lam. (HEBI8)   

Oldenlandia biflora: A Pacific Islander’s Native Ground Cover If you’re gardening in the tropical Pacific and looking for a truly local plant, Oldenlandia biflora might just be the understated native you’ve been searching for. This small flowering plant belongs to the coffee family (Rubiaceae) and has been quietly growing across ...

Oldenlandia biflora: A Pacific Islander’s Native Ground Cover

If you’re gardening in the tropical Pacific and looking for a truly local plant, Oldenlandia biflora might just be the understated native you’ve been searching for. This small flowering plant belongs to the coffee family (Rubiaceae) and has been quietly growing across Pacific islands long before modern landscaping arrived on the scene.

What’s in a Name?

While Oldenlandia biflora doesn’t have a widely recognized common name in English, it goes by sechalkelelamalk in Palau – a beautiful reminder of its deep roots in Pacific island culture. You might also see it listed under its synonym, Hedyotis biflora, in some botanical references.

Where Does It Call Home?

This native plant species naturally occurs throughout the Pacific Basin (excluding Hawaii), with documented populations in Guam and Palau. It’s a true Pacific islander, adapted to the unique conditions of these tropical island environments.

What Does It Look Like?

Oldenlandia biflora is a modest little plant that won’t overwhelm your garden design. As a member of the coffee family, it produces small, delicate white flowers that add subtle charm rather than bold statement-making color. Think of it as nature’s way of providing gentle texture and authentic local character to your landscape.

Why Consider Growing It?

Here are some reasons this native might earn a spot in your Pacific island garden:

  • It’s authentically local – supporting true Pacific island biodiversity
  • Low maintenance once established, adapted to local climate conditions
  • Provides habitat and food sources for native insects and small wildlife
  • Adds subtle texture and natural character to naturalistic garden designs
  • Perfect for gardeners who appreciate understated, native beauty

Growing Conditions and Care

Since specific cultivation information for Oldenlandia biflora is limited, your best bet is to mimic its natural Pacific island habitat:

  • Likely thrives in USDA hardiness zones 10-11 (tropical conditions)
  • Probably prefers well-draining soil, as most Pacific island natives do
  • Should adapt well to typical tropical rainfall patterns
  • May work well as a groundcover or small accent plant in naturalistic settings

Is This Plant Right for Your Garden?

Oldenlandia biflora is best suited for gardeners in Guam, Palau, or similar Pacific island environments who want to support native plant communities. If you’re passionate about growing truly local species and don’t mind a plant that favors subtlety over showiness, this could be a wonderful addition to your native plant collection.

However, if you’re looking for bold flowers, dramatic foliage, or a plant with extensive cultivation information readily available, you might want to explore other native options first.

The Bottom Line

While Oldenlandia biflora may not be the easiest native plant to learn about or find, it represents something special – authentic Pacific island heritage in plant form. For the right gardener in the right location, it offers a chance to support local ecosystems while adding genuine, understated beauty to the landscape. Just remember to source any plants responsibly and give them conditions that match their island origins.

Oldenlandia Biflora

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

Rubiales

Family

Rubiaceae Juss. - Madder family

Genus

Oldenlandia L. - oldenlandia

Species

Oldenlandia biflora L. [excluded]

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