Native Plants

Longbeard Mariposa Lily

Calochortus longebarbatus var. peckii

USDA symbol: CALOP4

perennial forb

Lower 48 states: native

Meet the longbeard mariposa lily (Calochortus longebarbatus var. peckii), one of Oregon’s most elusive native wildflowers. This perennial gem belongs to the fascinating world of mariposa lilies, but finding detailed information about this particular variety is like searching for a needle in a haystack – and that’s precisely what makes ...

Longbeard Mariposa Lily may be listed as rare in your area.
Global Conservation Status

Status: S4T3 | Apparently Secure: Uncommon but not rare, and usually widespread. Possible cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals.

Longbeard Mariposa Lily: A Rare Oregon Native Worth Protecting

Meet the longbeard mariposa lily (Calochortus longebarbatus var. peckii), one of Oregon’s most elusive native wildflowers. This perennial gem belongs to the fascinating world of mariposa lilies, but finding detailed information about this particular variety is like searching for a needle in a haystack – and that’s precisely what makes it so special.

A True Oregon Native

The longbeard mariposa lily is a bona fide native plant of the lower 48 states, with its known distribution limited to Oregon. This makes it a true regional treasure, evolved specifically to thrive in the unique conditions of the Pacific Northwest.

  • Species observed
  • No observations

What Makes This Plant Special

As a perennial forb, the longbeard mariposa lily lacks the woody stems of shrubs and trees, instead emerging fresh each growing season from underground bulbs. Like other members of the mariposa lily family, it likely produces stunning cup-shaped flowers that seem almost too delicate for the wild landscapes where they grow.

Rarity Alert: Handle with Care

Here’s where things get serious, fellow gardeners. This variety carries a Global Conservation Status of S4T3, indicating it faces some level of conservation concern. While this doesn’t mean it’s critically endangered, it does mean we need to be thoughtful stewards if we’re considering adding it to our gardens.

If you’re interested in growing this rare beauty, please ensure any plants or seeds come from responsible, ethical sources. Never collect from wild populations, as this could harm already vulnerable communities of these special plants.

The Growing Challenge

Here’s the honest truth: specific growing information for Calochortus longebarbatus var. peckii is remarkably scarce. This rarity extends beyond just the plant itself to knowledge about its cultivation needs. What we do know is that as a native Oregon perennial, it has adapted to the state’s unique climate patterns and soil conditions.

Should You Grow It?

The longbeard mariposa lily presents a fascinating dilemma for native plant enthusiasts:

  • Pros: You’d be growing a true Oregon native that supports local ecosystems and preserves genetic diversity
  • Cons: Limited availability, conservation concerns, and minimal growing guidance make this a challenging choice

Alternative Considerations

If the longbeard mariposa lily has captured your imagination but seems too challenging or risky to pursue, consider exploring other native Oregon wildflowers that are better documented and more readily available through responsible nurseries. Your local native plant society can point you toward beautiful alternatives that won’t put rare populations at risk.

The Bottom Line

The longbeard mariposa lily represents the mysterious, wild heart of Oregon’s native flora. While it might not be the easiest addition to your garden, its very existence reminds us of the incredible diversity hiding in our local landscapes. Sometimes the best way to appreciate a rare plant is simply knowing it’s out there, quietly persisting in its native habitat.

If you do decide to pursue growing this rare variety, proceed with respect, patience, and a commitment to conservation. After all, we’re not just gardeners – we’re temporary stewards of some pretty amazing plants.

Classification

Group: Monocot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Liliopsida - Monocotyledons
Subclass: Liliidae
Order: Liliales
Family: Liliaceae Juss. - Lily family
Genus: Calochortus Pursh - mariposa lily

Species: Calochortus longebarbatus S. Watson - longbeard mariposa lily

Variety: Calochortus longebarbatus S. Watson var. peckii Ownbey - longbeard mariposa lily

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