North America Native Plant

Threebirds

Botanical name: Triphora trianthophora

USDA symbol: TRTR3

Life cycle: perennial

Habit: forb

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

Synonyms: Triphora trianthophoros (Sw.) Rydb., orth. var. (TRTR17)  âš˜  Triphora trianthophora (Sw.) Rydb. var. schaffneri Camp (TRTRS)   

Threebirds: The Elusive Native Orchid That’s Better Admired Than Grown Meet one of North America’s most mysterious native orchids – the threebirds (Triphora trianthophora). This tiny treasure of the forest floor is as enchanting as it is elusive, earning its whimsical common name from its habit of producing exactly three ...

Rare plant alert!

Region: New Jersey

Status: S3S4: Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘ New Jersey Highlands region ⚘ New Jersey Pinelands region ⚘ 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) ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Region: New Jersey

Threebirds: The Elusive Native Orchid That’s Better Admired Than Grown

Meet one of North America’s most mysterious native orchids – the threebirds (Triphora trianthophora). This tiny treasure of the forest floor is as enchanting as it is elusive, earning its whimsical common name from its habit of producing exactly three delicate flowers per stem. But before you start dreaming of adding this beauty to your garden, there’s a lot you need to know about this fascinating but finicky native plant.

What Makes Threebirds Special

Threebirds is a perennial forb – essentially a non-woody flowering plant that returns year after year. Don’t let the term forb fool you into thinking this is just another wildflower, though. This little orchid is in a league of its own, producing small white to pale pink flowers that are nothing short of magical… when you can actually see them.

Here’s where things get really interesting (and a bit frustrating for eager gardeners): threebirds flowers are famously ephemeral. We’re talking flowers that may open and close within the span of a single day, sometimes lasting only a few hours. It’s like nature’s own version of a pop-up event – blink and you’ll miss it!

Where You’ll Find This Native Beauty

Threebirds is native to both southeastern Canada and the lower 48 United States, with a range that spans from Maine down to Florida and stretches west to Texas. You might stumble across it in states including Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Mississippi, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Vermont, Virginia, West Virginia, and Wisconsin.

A Word of Caution: This Plant is Rare

Before we go any further, here’s something crucial you need to know: threebirds has a global conservation status of S3S4, and in some states like New Jersey, it’s listed as endangered. This isn’t a plant you should be casually digging up from the wild or purchasing from questionable sources. If you’re absolutely determined to try growing it (spoiler alert: we don’t really recommend it), make sure any plant material comes from responsible, ethical sources that don’t contribute to wild population decline.

Why Most Gardeners Should Skip This One

We hate to be the bearers of disappointing news, but threebirds is notoriously difficult – perhaps impossible – to cultivate successfully in typical garden settings. Here’s why:

  • Mycorrhizal dependency: Like many orchids, threebirds relies on specific fungal relationships in the soil to survive. Without these invisible underground partners, the plant simply cannot thrive.
  • Ephemeral blooms: Even if you manage to grow it, you might completely miss the flowering display since blooms can appear and disappear so quickly.
  • Specific habitat needs: This plant prefers the complex ecosystem of mature woodlands with rich, humusy soil and just the right balance of moisture and drainage.
  • Conservation concerns: Given its rarity, cultivation attempts often do more harm than good to wild populations.

Where Threebirds Actually Thrives

Understanding this plant’s wetland status gives us clues about where it’s happiest. Depending on the region, threebirds ranges from facultative upland (usually in non-wetlands but sometimes in wetlands) to obligate upland (almost never in wetlands). This tells us it generally prefers well-draining sites but can tolerate some moisture variation.

The plant typically grows in:

  • Mature deciduous or mixed forests
  • Areas with rich, organic soil
  • Partial to deep shade conditions
  • Sites with consistent but not excessive moisture

A Better Way to Appreciate Threebirds

Instead of trying to grow threebirds in your garden, consider these alternatives:

  • Support conservation efforts: Donate to organizations working to protect native orchid habitats
  • Join guided nature walks: Many botanical societies offer orchid-hunting expeditions during blooming season
  • Choose easier native orchids: If you’re drawn to native orchids, consider more garden-friendly options like wild ginger or native Cypripedium species (though these still require specialized care)
  • Create orchid-friendly habitat: Focus on maintaining mature woodland areas that could naturally support threebirds and other native orchids

The Bottom Line

Threebirds is one of those plants that’s absolutely worth knowing about, seeking out in the wild, and marveling at – but probably not worth the heartache of trying to grow. Its beauty lies not just in its delicate flowers, but in its role as an indicator of healthy, mature forest ecosystems. Sometimes the best way to love a plant is to let it stay exactly where it belongs: in the wild, doing its mysterious orchid thing on its own terms.

If you do happen to spot threebirds during one of its brief flowering moments, consider yourself incredibly lucky. Take a photo, make a mental note of the habitat, and then leave it undisturbed to continue its important work as part of our native ecosystem. That’s how we can all help ensure future generations might have the same magical encounter with this elusive native orchid.

Threebirds

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

Triphora Nutt. - noddingcaps

Species

Triphora trianthophora (Sw.) Rydb. - threebirds

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