North America Native Plant

Hansen’s Bird’s Beak

Botanical name: Cordylanthus pilosus hansenii

USDA symbol: COPIH

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Cordylanthus hansenii (Ferris) J.F. Macbr. (COHA)   

Hansen’s Bird’s Beak: A Rare California Native Worth Protecting If you’ve ever wondered about some of California’s more mysterious native plants, let me introduce you to Hansen’s bird’s beak (Cordylanthus pilosus hansenii). This little annual forb might not win any beauty contests, but it’s got a fascinating story and plays ...

Rare plant alert!

Region: Conservation status by state

Status: S3?T3?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ 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 ⚘ 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. ⚘

Hansen’s Bird’s Beak: A Rare California Native Worth Protecting

If you’ve ever wondered about some of California’s more mysterious native plants, let me introduce you to Hansen’s bird’s beak (Cordylanthus pilosus hansenii). This little annual forb might not win any beauty contests, but it’s got a fascinating story and plays an important role in California’s native ecosystems.

What Makes Hansen’s Bird’s Beak Special?

Hansen’s bird’s beak is a member of the bird’s beak family, and like its relatives, it’s what botanists call a hemiparasite. Don’t worry – it’s not as scary as it sounds! This simply means the plant can photosynthesize on its own but also taps into the roots of other plants to get additional nutrients. Think of it as nature’s way of sharing resources, though the host plants might not always appreciate the arrangement.

As an annual forb, this plant completes its entire life cycle in one growing season. It lacks any significant woody tissue and dies back completely each year, relying on seeds to continue the next generation.

Where Does It Call Home?

Hansen’s bird’s beak is a true California endemic, meaning you won’t find it growing naturally anywhere else in the world. This makes it extra special – and extra vulnerable. The plant is found only in specific locations within California, making it a rare treasure in the state’s diverse flora.

Important Conservation Note

Here’s where things get serious: Hansen’s bird’s beak has a conservation status that indicates it’s quite rare and potentially at risk. With a Global Conservation Status of S3?T3?, this plant faces uncertain future prospects. This rarity status means we need to be extra careful about how we interact with and protect this species.

Should You Try Growing Hansen’s Bird’s Beak?

While I’m all for growing native plants, Hansen’s bird’s beak presents some unique challenges that make it unsuitable for most home gardens:

  • Its hemiparasitic nature means it requires specific host plants to thrive
  • The complex ecological relationships it depends on are difficult to replicate in garden settings
  • As a rare species, disturbing wild populations for seeds or plants would be harmful to conservation efforts
  • Its annual nature and specialized requirements make cultivation extremely challenging

How You Can Help Instead

Rather than trying to grow Hansen’s bird’s beak in your garden, here are better ways to support this rare native:

  • Support habitat conservation efforts in California
  • Choose other native California plants that are more suitable for cultivation
  • Learn to identify Hansen’s bird’s beak so you can report sightings to local botanists or conservation groups
  • Participate in citizen science projects that monitor rare plant populations

Alternative Native Plants to Consider

If you’re interested in supporting California’s native plant heritage in your garden, consider these more garden-friendly alternatives that still provide ecological benefits:

  • California poppies for bright annual color
  • Native lupines for nitrogen fixation and pollinator support
  • California asters for late-season blooms
  • Native bunch grasses for habitat structure

The Bigger Picture

Hansen’s bird’s beak reminds us that not every native plant is meant for our gardens – and that’s perfectly okay! Some species are best appreciated and protected in their natural habitats. By understanding and respecting the needs of rare plants like Hansen’s bird’s beak, we become better stewards of California’s incredible botanical diversity.

The next time you’re exploring California’s natural areas, keep an eye out for this modest but important little plant. While you might not bring it home to your garden, you’ll be witnessing a small miracle of evolution and adaptation that deserves our admiration and protection.

Hansen’s Bird’s Beak

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

Cordylanthus Nutt. ex Benth. - bird's-beak

Species

Cordylanthus pilosus A. Gray - hairy bird's-beak

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