North America Native Plant

Platanthera Aquilonis × Purpurascens

Botanical name: Platanthera aquilonis × purpurascens

USDA symbol: PLAQ4

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Platanthera ×evansiana P.M. Br., nom. inval. (PLEV)   

Platanthera aquilonis × purpurascens: A Rare Colorado Orchid Hybrid If you’re fascinated by native orchids, you might have stumbled across the intriguing name Platanthera aquilonis × purpurascens. This botanical mouthful represents something quite special in the plant world – a natural hybrid orchid that calls Colorado home. While it might ...

Platanthera aquilonis × purpurascens: A Rare Colorado Orchid Hybrid

If you’re fascinated by native orchids, you might have stumbled across the intriguing name Platanthera aquilonis × purpurascens. This botanical mouthful represents something quite special in the plant world – a natural hybrid orchid that calls Colorado home. While it might sound like a gardener’s dream to grow a rare native orchid, this particular beauty comes with some important considerations.

What Makes This Plant Special

Platanthera aquilonis × purpurascens is a natural hybrid, meaning it’s the offspring of two different Platanthera species that crossed in the wild. As a perennial forb in the orchid family, this plant represents the fascinating world of native North American orchids. The × in its name is the botanical way of saying this is a hybrid, and you might also see it referred to by its synonym, Platanthera ×evansiana.

Like other members of the Platanthera genus, this hybrid produces elegant spikes of small, intricate flowers that showcase the remarkable diversity of our native flora.

Where to Find It (Hint: It’s Exclusive)

Here’s where things get interesting – and restrictive. This hybrid orchid is native to the United States but has an extremely limited range. It’s been documented only in Colorado, making it one of the more geographically restricted plants you’ll encounter in native gardening circles.

This narrow distribution immediately tells us something important: this isn’t your typical garden center perennial.

Why You Probably Shouldn’t Try to Grow It

Before you start dreaming of adding this rare orchid to your garden, let’s talk reality. Native orchids, especially rare hybrids like this one, are notoriously difficult to cultivate for several compelling reasons:

  • Complex soil relationships: Orchids require specific mycorrhizal fungi partners to survive – relationships that took thousands of years to develop
  • Precise environmental needs: The growing conditions that support this hybrid in Colorado’s unique ecosystem are nearly impossible to replicate elsewhere
  • Conservation concerns: With such a limited range, every plant in the wild is precious for the species’ survival
  • Legal protections: Collecting native orchids from the wild is illegal in most areas and harmful to wild populations

What This Means for Your Garden

Instead of trying to grow this particular hybrid, consider it an inspiration to explore the wonderful world of native plants that are suitable for home cultivation. Colorado gardeners can support native biodiversity by choosing regionally appropriate native plants that are readily propagated and available through reputable native plant nurseries.

If you’re specifically interested in supporting pollinators that might visit plants like Platanthera aquilonis × purpurascens, focus on native plants that attract moths and other nocturnal pollinators. Many native evening primroses, native tobacco species, and other night-blooming natives can provide similar ecological benefits while being much more garden-friendly.

The Bigger Picture

Plants like Platanthera aquilonis × purpurascens remind us that native plant gardening isn’t just about what we can grow – it’s also about understanding and respecting the incredible diversity of plants that exist in wild spaces. Sometimes the best way to support a native plant is to protect its habitat and appreciate it from a respectful distance.

For Colorado gardeners passionate about native plants, focus your energy on the many beautiful and cultivatable native species that will thrive in your garden while supporting local ecosystems. Your local native plant society or extension office can point you toward regionally appropriate alternatives that will give you the satisfaction of growing natives without the conservation concerns.

Remember: the most beautiful garden is one that works in harmony with nature, not against it.

Platanthera Aquilonis × Purpurascens

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Liliidae

Order

Orchidales

Family

Orchidaceae Juss. - Orchid family

Genus

Platanthera Rich. - fringed orchid

Species

Platanthera aquilonis × purpurascens [unnamed hybrid]

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