North America Native Plant

California Broomrape

Botanical name: Orobanche californica feudgei

USDA symbol: ORCAF

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Orobanche grayana G. Beck var. feudgei Munz (ORGRF)   

California Broomrape: A Fascinating but Challenging Native Parasitic Plant If you’ve ever stumbled across a peculiar, leafless plant sprouting from the California landscape that looks more alien than earthly, you might have encountered the California broomrape (Orobanche californica feudgei). This unique native annual belongs to a fascinating group of plants ...

California Broomrape: A Fascinating but Challenging Native Parasitic Plant

If you’ve ever stumbled across a peculiar, leafless plant sprouting from the California landscape that looks more alien than earthly, you might have encountered the California broomrape (Orobanche californica feudgei). This unique native annual belongs to a fascinating group of plants that have ditched the whole make your own food approach in favor of a more, shall we say, opportunistic lifestyle.

What Makes California Broomrape Special

California broomrape is what botanists call a parasitic plant, meaning it has evolved to live off other plants rather than producing its own food through photosynthesis. This fascinating forb (a non-woody herbaceous plant) is native to the lower 48 states, with this particular subspecies found specifically in California.

Also known by its synonym Orobanche grayana var. feudgei, this annual plant represents one of nature’s more unconventional survival strategies. Without the green chlorophyll that most plants rely on, California broomrape has developed an entirely different approach to staying alive.

Where You’ll Find It

This native species has a limited distribution within California, making it a relatively uncommon sight even in its home range. Its specific geographic requirements and parasitic lifestyle mean you’re more likely to encounter it in wild spaces than in cultivated areas.

Should You Plant California Broomrape in Your Garden?

Here’s where we need to have a frank conversation: California broomrape is definitely not your typical garden plant, and here’s why:

  • Parasitic nature: This plant requires specific host plants to survive, making cultivation extremely challenging
  • Unpredictable growth: Without control over its host relationships, you can’t reliably establish or maintain it
  • Limited availability: Due to its specialized nature and apparent rarity, responsibly sourced material is virtually impossible to obtain
  • Ecological complexity: Its role in natural ecosystems is highly specialized and difficult to replicate in garden settings

Its Role in Nature

While California broomrape might not be garden-friendly, it plays an important ecological role in its native habitats. As a parasitic plant, it helps regulate plant communities and contributes to the complex web of relationships that make natural ecosystems function.

The plant’s annual growth cycle and forb classification mean it completes its entire lifecycle within a single growing season, emerging, reproducing, and dying back each year – assuming it can successfully establish the parasitic relationships it needs to survive.

Better Native Alternatives for Your Garden

If you’re interested in supporting California’s native plant communities, consider these more garden-friendly options instead:

  • California poppies for colorful annual displays
  • Native bunch grasses for natural landscaping
  • Ceanothus species for shrub layers
  • Native wildflower mixes designed for your specific region

Appreciating It in the Wild

The best way to appreciate California broomrape is to learn to identify and respect it in its natural habitat. If you’re lucky enough to spot this unusual plant during nature walks, take a moment to marvel at its unique evolutionary strategy – just remember to leave it undisturbed so it can continue its specialized role in California’s native ecosystems.

Sometimes the most interesting native plants are the ones we admire from a distance rather than attempt to bring home. California broomrape definitely falls into this category, serving as a reminder of just how creative and complex nature can be.

California 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 californica Cham. & Schltdl. - California broomrape

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