North America Native Plant

Emajagua De Sierra

Botanical name: Daphnopsis philippiana

USDA symbol: DAPH

Life cycle: perennial

Habit: shrub

Native status: Native to Puerto Rico  

Emajagua de Sierra: A Rare Puerto Rican Treasure Worth Protecting If you’re passionate about native plants and conservation, you might be intrigued by the emajagua de sierra (Daphnopsis philippiana). But before you start planning where to plant this Puerto Rican native, there’s something crucial you need to know about this ...

Rare plant alert!

Region: Conservation status by state

Status: S2: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

Emajagua de Sierra: A Rare Puerto Rican Treasure Worth Protecting

If you’re passionate about native plants and conservation, you might be intrigued by the emajagua de sierra (Daphnopsis philippiana). But before you start planning where to plant this Puerto Rican native, there’s something crucial you need to know about this extraordinary shrub.

What Makes Emajagua de Sierra Special

Emajagua de sierra is a perennial shrub that’s as rare as it is remarkable. This multi-stemmed woody plant typically grows to less than 13-16 feet in height, with several stems emerging from or near the ground. Like other shrubs in its family, it can occasionally grow taller or develop a single stem depending on environmental conditions.

Where Does Emajagua de Sierra Come From

This beautiful native species calls Puerto Rico home, and only Puerto Rico. It’s what botanists call an endemic species, meaning it exists nowhere else on Earth naturally. This makes every single plant incredibly precious to the island’s biodiversity.

The Conservation Reality: Why This Plant Needs Our Help

Here’s where things get serious. Emajagua de sierra has a Global Conservation Status of S2, which translates to Imperiled. This isn’t just botanical jargon – it means this species is hanging on by a thread. With typically only 6 to 20 occurrences remaining in the wild and fewer than 1,000 to 3,000 individual plants left, emajagua de sierra is facing potential extinction.

This extreme rarity means that if you’re considering adding this plant to your garden, you need to proceed with extraordinary caution and responsibility.

Garden Suitability and Growing Conditions

Emajagua de sierra has a facultative wetland status in the Caribbean region, meaning it’s adaptable enough to thrive in both wetland and non-wetland environments. This flexibility might make it seem like an easy addition to various garden settings, but remember – every plant matters when a species is this rare.

Unfortunately, specific details about growing conditions, care requirements, and propagation methods for this species are not well-documented, likely due to its rarity and limited study in cultivation settings.

Should You Plant Emajagua de Sierra

While supporting native plants is always admirable, planting emajagua de sierra comes with serious responsibilities:

  • Only consider planting if you can obtain plants from verified, responsible sources
  • Never collect plants or seeds from wild populations
  • Ensure any nursery source is participating in legitimate conservation efforts
  • Consider supporting conservation organizations working to protect this species instead

Alternative Native Options

If you’re passionate about supporting Puerto Rican native plants in your garden, consider researching other native species that aren’t critically imperiled. Your local native plant society or conservation groups can guide you toward beautiful alternatives that won’t put additional pressure on rare species.

How You Can Help

The best way to support emajagua de sierra might not be growing it in your garden at all. Instead, consider:

  • Supporting habitat conservation efforts in Puerto Rico
  • Donating to organizations working on endemic species protection
  • Spreading awareness about Puerto Rico’s unique and threatened flora
  • Choosing other native plants that support the same ecosystems

Sometimes the most loving thing we can do for a rare plant is to admire it from afar while working to protect its natural habitat. Emajagua de sierra represents the incredible biodiversity that makes Puerto Rico special – and with thoughtful conservation efforts, hopefully future generations will be able to appreciate this remarkable shrub in the wild where it belongs.

Emajagua De Sierra

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Myrtales

Family

Thymelaeaceae Juss. - Mezereum family

Genus

Daphnopsis Mart. - daphnopsis

Species

Daphnopsis philippiana Krug & Urb. - emajagua de sierra

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