North America Native Plant

Pinesap

Botanical name: Pleuricospora

USDA symbol: PLEUR

Life cycle: perennial

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Pinesap: The Mysterious Ghost Plant of Pacific Northwest Forests Have you ever stumbled upon a ghostly white or pinkish plant while hiking through a Pacific Northwest forest and wondered what on earth it could be? Meet pinesap (Pleuricospora), one of nature’s most intriguing botanical oddities. This peculiar native perennial might ...

Pinesap: The Mysterious Ghost Plant of Pacific Northwest Forests

Have you ever stumbled upon a ghostly white or pinkish plant while hiking through a Pacific Northwest forest and wondered what on earth it could be? Meet pinesap (Pleuricospora), one of nature’s most intriguing botanical oddities. This peculiar native perennial might look like something from another planet, but it’s actually a fascinating example of how diverse and specialized our native plant communities can be.

What Makes Pinesap So Special?

Pinesap is what botanists call a parasitic plant, which means it has given up the typical plant lifestyle of making its own food through photosynthesis. Instead, this clever forb has evolved to tap into the underground fungal networks that connect forest trees. Without any green chlorophyll, pinesap appears as waxy, translucent stems ranging from white to pink, topped with scale-like leaves that look more like tiny shells than typical foliage.

As a herbaceous perennial forb, pinesap lacks any significant woody tissue and maintains perennating buds at or below ground level, allowing it to return year after year in the same mysterious fashion.

Where You’ll Find This Forest Ghost

Pinesap is native to both Canada and the lower 48 states, specifically calling the Pacific Northwest home. You can encounter this unusual plant in the forests of British Columbia, California, Oregon, and Washington, where it quietly goes about its parasitic business beneath the forest canopy.

Why You Can’t (and Shouldn’t Try to) Grow Pinesap in Your Garden

Here’s where we need to manage expectations: pinesap is absolutely not a plant you can add to your home landscape. This isn’t a matter of difficulty—it’s simply impossible. Pinesap has evolved such a specialized relationship with forest ecosystems that attempting to cultivate it would be like trying to keep a deep-sea fish in a backyard pond.

The plant depends entirely on:

  • Specific mycorrhizal fungi that form networks with forest trees
  • Mature forest ecosystems with established root-fungal relationships
  • Particular soil conditions found only in undisturbed forest settings
  • The complex web of nutrients flowing through fungal networks

Appreciating Pinesap from Afar

While you can’t bring pinesap home, you can certainly appreciate its role in our native ecosystems. This remarkable plant serves as a living reminder of how intricate and interconnected forest communities really are. Every time you spot pinesap during a forest hike, you’re witnessing the result of millions of years of evolutionary fine-tuning.

The presence of pinesap actually indicates a healthy, mature forest ecosystem—it’s like a botanical seal of approval that the underground fungal networks are thriving and the forest community is functioning as it should.

Native Alternatives for Your Garden

If pinesap’s unique appearance has captured your imagination, consider these native alternatives that can actually thrive in home landscapes:

  • Wild ginger (Asarum canadense) for interesting ground-level foliage
  • Coral root orchids (Corallorhiza species) – another parasitic native that’s occasionally cultivated
  • Native sedums for unusual, succulent-like textures
  • Regional wildflowers that support the same ecosystems where pinesap thrives

The Takeaway: Some Plants Are Worth Admiring, Not Acquiring

Pinesap beautifully illustrates that not every fascinating native plant is meant for our gardens—and that’s perfectly okay! Sometimes the most valuable thing we can do as native plant enthusiasts is simply appreciate the incredible diversity and specialization of our local flora. When you encounter pinesap on your next forest adventure, take a moment to marvel at this botanical wonder and the complex ecosystem it represents.

Rather than trying to bring every cool native plant home, we can support these species by protecting their natural habitats and choosing garden-appropriate natives that support the same broader ecosystem. After all, the forest is pinesap’s perfect home—and some relationships are too beautiful to disturb.

Pinesap

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Ericales

Family

Monotropaceae Nutt. - Indian Pipe family

Genus

Pleuricospora A. Gray - pinesap

Species

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