North America Native Plant

Na Pali Rockwort

Botanical name: Nototrichium divaricatum

USDA symbol: NODI

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Na Pali Rockwort: A Critically Endangered Hawaiian Treasure Meet Na Pali rockwort (Nototrichium divaricatum), one of Hawaii’s most precious and precarious native plants. This isn’t your typical garden center find – in fact, it’s quite the opposite. This remarkable perennial shrub represents both the incredible diversity of Hawaiian flora and ...

Rare plant alert!

Region: Conservation status by state

Status: S1: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘

Na Pali Rockwort: A Critically Endangered Hawaiian Treasure

Meet Na Pali rockwort (Nototrichium divaricatum), one of Hawaii’s most precious and precarious native plants. This isn’t your typical garden center find – in fact, it’s quite the opposite. This remarkable perennial shrub represents both the incredible diversity of Hawaiian flora and the urgent conservation challenges facing island ecosystems.

What Makes Na Pali Rockwort Special?

Na Pali rockwort is a perennial, multi-stemmed woody shrub that typically grows less than 13 to 16 feet in height. Like many Hawaiian natives, it has adapted to thrive in some pretty tough conditions – think rocky cliff faces and challenging terrain that would make most plants throw in the towel.

This plant is endemic to Hawaii, meaning you won’t find it growing wild anywhere else on Earth. It’s a true island original, having evolved in isolation to become perfectly suited to its specific Hawaiian habitat.

The Conservation Reality Check

Here’s the sobering truth: Na Pali rockwort has a Global Conservation Status of S1, which translates to Critically Imperiled. This means there are typically fewer than 5 occurrences or fewer than 1,000 remaining individuals in the wild. We’re talking about a plant that’s hanging on by a thread.

Because of this critical status, Na Pali rockwort isn’t something you should be looking to add to your backyard garden. In fact, attempting to collect or purchase this plant from questionable sources could contribute to its further decline.

Growing Conditions and Habitat

In its natural habitat, Na Pali rockwort has adapted to:

  • Rocky, well-draining soils
  • Cliff faces and steep slopes
  • Hawaii’s tropical climate (USDA zones 10-11)
  • Challenging growing conditions that most plants can’t handle

What Can You Do Instead?

While you can’t and shouldn’t plant Na Pali rockwort in your garden, there are meaningful ways to support Hawaiian native plants:

  • Choose other Hawaiian natives: Look for more common native Hawaiian plants that are sustainably propagated
  • Support conservation efforts: Donate to organizations working to protect endangered Hawaiian flora
  • Spread awareness: Share information about the importance of protecting rare native species
  • Responsible sourcing: If you’re involved in legitimate conservation or restoration work, ensure any plant material comes from approved, ethical sources

The Bigger Picture

Na Pali rockwort serves as a reminder of what we stand to lose when native ecosystems face pressure from development, invasive species, and climate change. While this particular plant may not grace your garden beds, its story underscores the importance of protecting and celebrating native flora wherever you live.

Instead of trying to grow critically endangered species, focus on supporting native plants in your area that can benefit local wildlife while being sustainably cultivated. Every garden can be a small act of conservation – just make sure you’re choosing plants that won’t contribute to the decline of rare species like our remarkable Na Pali rockwort.

Na Pali Rockwort

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Amaranthaceae Martinov - Amaranth family

Genus

Nototrichium (A. Gray) Hillebr. - rockwort

Species

Nototrichium divaricatum D.H. Lorence - Na Pali rockwort

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