North America Non-native Plant

Bikkia Tetrandra

Botanical name: Bikkia tetrandra

USDA symbol: BITE4

Native status: Not native but doesn't reproduce and persist in the wild

Bikkia tetrandra: A Rare Pacific Island Gem for Tropical Gardens If you’re a collector of rare tropical plants or live in a warm climate zone, you might have stumbled across the intriguing Bikkia tetrandra. This lesser-known member of the coffee family (Rubiaceae) is a true treasure from the Pacific Islands, ...

Bikkia tetrandra: A Rare Pacific Island Gem for Tropical Gardens

If you’re a collector of rare tropical plants or live in a warm climate zone, you might have stumbled across the intriguing Bikkia tetrandra. This lesser-known member of the coffee family (Rubiaceae) is a true treasure from the Pacific Islands, though it’s definitely not your average garden center find.

What is Bikkia tetrandra?

Bikkia tetrandra is a flowering shrub or small tree native to the tropical Pacific Islands, including Fiji and Samoa. While it doesn’t have a widely recognized common name, this plant has earned attention from botanical enthusiasts for its delicate beauty and rarity in cultivation. As a dicot, it produces small, fragrant flowers that are typically white to cream-colored, set against glossy green foliage.

Where Does It Come From?

This Pacific Island native calls the warm, humid tropical regions of Fiji, Samoa, and surrounding islands home. In its natural habitat, it thrives in the consistent warmth and moisture of these paradise locations, often growing in coastal areas and tropical forests.

Why Consider (or Not Consider) Bikkia tetrandra?

Here’s the honest truth about this plant: it’s gorgeous but incredibly picky about where it lives. If you’re in USDA hardiness zones 10-11, you might have a chance at success. For everyone else, this is strictly a greenhouse or conservatory plant.

Reasons to grow it:

  • Unique addition to tropical plant collections
  • Beautiful, fragrant flowers that attract pollinators
  • Relatively compact size makes it manageable
  • Interesting conversation starter for plant enthusiasts

Reasons to think twice:

  • Extremely limited cold tolerance
  • Can be difficult to source
  • Requires very specific growing conditions
  • May not thrive outside its natural climate zone

Growing Conditions and Care

If you’re determined to grow Bikkia tetrandra, here’s what this tropical beauty needs:

Climate Requirements: This plant is only happy in consistently warm, humid conditions. Think tropical paradise, not temperate garden. It needs temperatures that rarely drop below 60°F (15°C).

Light: Provide bright, indirect light or partial shade. In its native habitat, it often grows under the canopy of larger trees, so it appreciates some protection from harsh direct sunlight.

Soil: Well-draining but moisture-retentive soil is essential. A mix similar to what you’d use for other tropical plants works well—think rich, organic matter with good drainage.

Water: Keep the soil consistently moist but never waterlogged. This plant comes from areas with regular rainfall, so it doesn’t appreciate drought stress.

Planting and Care Tips

Since Bikkia tetrandra is rarely available commercially, you’ll likely need to source it from specialized tropical plant nurseries or botanical exchanges. Here are some care essentials:

  • Plant in a location protected from strong winds
  • Maintain consistent moisture without waterlogging
  • Provide humidity if growing indoors or in dry climates
  • Minimal pruning needed—just remove dead or damaged branches
  • Watch for common tropical plant pests like scale or mealybugs

Pollinator and Wildlife Benefits

While specific data on Bikkia tetrandra’s wildlife interactions is limited, plants in the Rubiaceae family typically support various pollinators. The small, fragrant flowers likely attract insects and potentially small birds in their native range.

The Bottom Line

Bikkia tetrandra is a plant for the dedicated tropical plant collector rather than the average gardener. If you live in a tropical climate or have a greenhouse setup, it can be a rewarding addition to your collection. However, if you’re looking for easier-care alternatives, consider exploring native plants from your own region first—they’ll be much more likely to thrive and support local ecosystems.

For most gardeners, especially those in temperate climates, this Pacific Island beauty is better appreciated in botanical gardens or specialized collections rather than attempted in home gardens. Sometimes the most beautiful plants are meant to be admired from afar!

Bikkia Tetrandra

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

Bikkia Reinw.

Species

Bikkia tetrandra (L. f.) A. Rich.

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