North America Native Plant

Parish’s Broomrape

Botanical name: Orobanche parishii brachyloba

USDA symbol: ORPAB

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Parish’s Broomrape: A Rare California Native You Shouldn’t Try to Grow Meet Parish’s broomrape (Orobanche parishii brachyloba), one of California’s more mysterious native plants that definitely won’t be winning any Best Garden Plant awards anytime soon. This unusual annual herb belongs to a fascinating group of plants that have given ...

Rare plant alert!

Region: Conservation status by state

Status: S4?T3: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Subspecies or variety is 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 ⚘

Parish’s Broomrape: A Rare California Native You Shouldn’t Try to Grow

Meet Parish’s broomrape (Orobanche parishii brachyloba), one of California’s more mysterious native plants that definitely won’t be winning any Best Garden Plant awards anytime soon. This unusual annual herb belongs to a fascinating group of plants that have given up on the whole making your own food thing and decided to become full-time moochers instead.

What Makes Parish’s Broomrape Special (And Tricky)

Parish’s broomrape is what botanists call a parasitic plant, which means it survives by latching onto other plants and stealing their nutrients. Think of it as nature’s version of that friend who always forgets their wallet at dinner. This herbaceous annual forb has no significant woody tissue and completes its entire life cycle in a single growing season – assuming it can find a suitable host plant to parasitize.

Where You’ll Find This Rare California Native

This elusive plant is native to California and is found nowhere else in the United States. Its limited range makes it a true Golden State endemic, though spotting one in the wild is like finding a needle in a haystack.

Why You Shouldn’t Try Growing Parish’s Broomrape

Here’s where things get interesting (and slightly complicated) for gardeners. There are several compelling reasons why Parish’s broomrape isn’t destined for your garden beds:

  • Rarity concerns: With a conservation status that suggests some level of vulnerability, this plant should be left undisturbed in its natural habitat
  • Parasitic nature: It requires specific host plants to survive, making cultivation nearly impossible without extensive ecological knowledge
  • Limited ornamental value: Let’s be honest – parasitic plants aren’t exactly known for their stunning garden appeal
  • Specialized growing conditions: Its requirements are so specific that even experienced gardeners would struggle to recreate the right conditions

Its Role in California’s Ecosystem

While Parish’s broomrape might not be garden-worthy, it plays an important role in California’s native ecosystems. As a parasitic plant, it helps regulate plant populations and contributes to the complex web of relationships that keep natural communities balanced. Its rarity makes it a valuable piece of California’s biodiversity puzzle.

Better Alternatives for California Native Gardeners

Instead of attempting to grow Parish’s broomrape, consider these beautiful California native alternatives that will actually thrive in your garden:

  • California poppies for vibrant orange blooms
  • Ceanothus species for stunning blue flowers and wildlife habitat
  • Penstemon species for colorful spikes that pollinators adore
  • Native bunch grasses for texture and movement

Conservation and Respect

If you’re lucky enough to encounter Parish’s broomrape in the wild, take a moment to appreciate this rare California native from a respectful distance. Photograph it, admire its unique ecological strategy, but leave it exactly where you found it. Its rarity means every individual plant is precious for maintaining healthy populations.

Sometimes the best way to support native plants is simply to let them be. Parish’s broomrape reminds us that not every native plant needs to find its way into our gardens – some are perfectly content playing their specialized roles in the wild, keeping California’s ecosystems diverse and fascinating.

Parish’s Broomrape

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

Orobanchaceae Vent. - Broom-rape family

Genus

Orobanche L. - broomrape

Species

Orobanche parishii (Jeps.) Heckard - Parish's broomrape

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