North America Native Plant

Widepetal Lousewort

Botanical name: Pedicularis bracteosa var. latifolia

USDA symbol: PEBRL

Life cycle: perennial

Habit: forb

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

Synonyms: Pedicularis latifolia Pennell (PELA21)   

Widepetal Lousewort: A Quirky Native Beauty for Specialized Gardens Meet widepetal lousewort (Pedicularis bracteosa var. latifolia), a delightfully unusual native perennial that’s sure to spark conversations in your garden. Despite its somewhat unfortunate common name – don’t worry, it has nothing to do with actual lice – this charming wildflower ...

Widepetal Lousewort: A Quirky Native Beauty for Specialized Gardens

Meet widepetal lousewort (Pedicularis bracteosa var. latifolia), a delightfully unusual native perennial that’s sure to spark conversations in your garden. Despite its somewhat unfortunate common name – don’t worry, it has nothing to do with actual lice – this charming wildflower brings unique beauty and ecological value to the right garden setting.

What Makes Widepetal Lousewort Special?

This native North American perennial belongs to the fascinating world of forbs – those herbaceous plants that lack woody stems but pack plenty of personality. Widepetal lousewort stands out with its distinctive hooded flowers that bloom in eye-catching spikes, typically displaying yellow to cream-colored petals with an almost orchid-like complexity.

The plant is also known by its synonym Pedicularis latifolia Pennell, but widepetal lousewort rolls off the tongue much more pleasantly!

Where Does It Call Home?

This lovely native has a relatively limited but impressive range, naturally occurring in British Columbia, Idaho, and Washington. It’s perfectly adapted to the cool, mountainous regions of the Pacific Northwest, where it thrives in the unique climate conditions of this bioregion.

Why Consider Widepetal Lousewort for Your Garden?

Here’s why this native beauty might deserve a spot in your landscape:

  • True native credentials: Supporting local ecosystems by choosing plants indigenous to North America
  • Unique visual appeal: The distinctive hooded flowers create an almost tropical look despite the plant’s cool-climate origins
  • Pollinator support: The specialized flower structure attracts bees and other native pollinators
  • Low maintenance once established: As a perennial, it returns year after year with minimal intervention
  • Conversation starter: Few garden visitors will be familiar with this uncommon native

Best Garden Settings for Widepetal Lousewort

This isn’t your typical backyard border plant – widepetal lousewort has some specific preferences that make it ideal for:

  • Alpine and rock gardens
  • Native plant collections
  • Naturalized woodland edges
  • Specialty wildflower gardens
  • Cool-climate botanical displays

Growing Conditions and Care Tips

Success with widepetal lousewort requires understanding its mountain origins. This plant thrives in:

  • Cool temperatures: Best suited for USDA hardiness zones 3-7
  • Moist, well-draining soil: Avoid waterlogged conditions but ensure consistent moisture
  • Partial shade to full sun: Appreciates some protection from intense afternoon heat
  • Good air circulation: Mountain plants love fresh, moving air

Planting and Establishment

Fair warning: widepetal lousewort can be somewhat challenging to establish, making it more suitable for experienced native plant gardeners. The key is patience and providing conditions as close to its natural habitat as possible. Consider starting with nursery-grown plants rather than attempting seed propagation, as this species can be finicky about germination requirements.

The Bottom Line

Widepetal lousewort isn’t for every garden or every gardener, but for those with the right conditions and a passion for unique native plants, it offers rewards that few other perennials can match. Its specialized beauty, native heritage, and ecological benefits make it a worthy addition to appropriate garden settings.

If you’re in the Pacific Northwest and have a spot that mimics cool mountain conditions, this quirky native might just become your new favorite conversation piece. Just be prepared to explain that despite the name, your garden is completely louse-free!

Widepetal Lousewort

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Pedicularis L. - lousewort

Species

Pedicularis bracteosa Benth. - bracted lousewort

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