North America Native Plant

Clerodendrum Inerme Var. Oceanicum

Botanical name: Clerodendrum inerme var. oceanicum

USDA symbol: CLINO2

Life cycle: perennial

Habit: vine

Native status: Native to Pacific Basin excluding Hawaii  

Clerodendrum inerme var. oceanicum: A Pacific Island Native Worth Knowing Meet Clerodendrum inerme var. oceanicum, a native shrub that calls the Pacific Basin home. While this plant might not be a household name in gardening circles, it represents an interesting piece of Pacific island flora that deserves some attention from ...

Clerodendrum inerme var. oceanicum: A Pacific Island Native Worth Knowing

Meet Clerodendrum inerme var. oceanicum, a native shrub that calls the Pacific Basin home. While this plant might not be a household name in gardening circles, it represents an interesting piece of Pacific island flora that deserves some attention from native plant enthusiasts.

What Makes This Plant Special?

This perennial shrub is a true Pacific native, naturally occurring in Guam and Palau. As a variety of the broader Clerodendrum inerme species, it’s adapted to island life and the unique conditions that come with coastal Pacific environments.

Where You’ll Find It Growing Wild

Clerodendrum inerme var. oceanicum has carved out its niche in the Pacific Basin, specifically calling Guam and Palau home. This limited distribution makes it a special representative of Pacific island biodiversity.

Growth Characteristics

As a shrub, this plant typically features multiple stems arising from or near the ground and usually stays under 13 to 16 feet in height. However, like many plants, it can surprise you—environmental conditions might push it taller or even encourage a more single-stemmed growth pattern.

Key growth features include:

  • Perennial growth habit (comes back year after year)
  • Multi-stemmed woody structure
  • Typically under 13-16 feet tall
  • Adaptable growth pattern depending on conditions

Should You Plant It?

Here’s where things get a bit tricky. While this native Pacific shrub sounds intriguing, detailed cultivation information for this specific variety is surprisingly limited. If you’re gardening in Guam, Palau, or similar Pacific island environments, this could be a fascinating native choice—but you’ll likely need to do some detective work to find reliable growing information.

For gardeners elsewhere, the limited availability and cultivation data make this more of a specialty plant for serious native plant collectors rather than your average backyard gardener.

The Reality Check

Let’s be honest—Clerodendrum inerme var. oceanicum isn’t going to be found at your local garden center. The specific growing requirements, care instructions, and even basic details like preferred soil conditions aren’t widely documented for this particular variety. This makes it more of a botanical curiosity than a practical garden choice for most gardeners.

If You’re Determined to Grow It

Should you find yourself with access to this Pacific native, remember that it evolved in island conditions. This likely means:

  • Tolerance for coastal conditions
  • Adaptation to Pacific climate patterns
  • Possible salt tolerance
  • Preference for well-draining soils

However, these are educated guesses based on its native habitat rather than documented cultivation advice.

The Bottom Line

Clerodendrum inerme var. oceanicum represents the fascinating diversity of Pacific island flora, but it’s not exactly a beginner-friendly garden plant. If you’re in its native range and interested in preserving local biodiversity, it might be worth investigating further through local botanical gardens or native plant societies. For everyone else, it’s more of an interesting footnote in the world of Pacific native plants than a practical garden addition.

Sometimes the most interesting plants are the ones that remain a bit mysterious—and this Pacific island native certainly fits that bill.

Clerodendrum Inerme Var. Oceanicum

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

Lamiales

Family

Verbenaceae J. St.-Hil. - Verbena family

Genus

Clerodendrum L. - glorybower

Species

Clerodendrum inerme (L.) Gaertn. - embrert

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