SafePlants

Cordylanthus nidularius - Mt. Diablo Bird's Beak

Cordylanthus nidularius, commonly known as Mt. Diablo bird's beak, is a rare and unique flowering plant found in specific regions of California.

Considerations for Pets

• The plant is described as a "forb/herb," suggesting it could be accessible to pets.

Considerations for Children

• The plant is described as a "forb/herb" which may attract children who may handle the plant.

Taxonomy and Nomenclature

• Scientific Name: Cordylanthus nidularius J.T. Howell
• Common Name: Mt. Diablo bird's beak
• Genus: Cordylanthus Nutt. ex Benth.
• Family: Orobanchaceae (broomrape family)
• Rank: Species

Distribution and Habitat

• Cordylanthus nidularius is endemic to Mount Diablo, California.
• It is also found in the Mt. Diablo Range and potentially in the Marin Coast Range.
• It has been found in chaparral (serpentinite) habitat at elevations between 1968 and 2624 feet.
• Suspected to be on BLM (Bureau of Land Management) lands.

Ecological Role

• Cordylanthus nidularius is a hemiparasitic annual herb, meaning it obtains some of its nutrients by parasitizing other plants. It is a root parasite.
• The plant grows only on Mount Diablo.

Morphological Characteristics and Growth Habits

• It is described as a forb/herb with a "Grown habit:" of Forb/herb.
• It is described as a "tiny" plant.

Interactions with Other Organisms

• Typical foraging birds include raptors such as turkey vultures in locations where Cordylanthus nidularius can be found.
• The seeds are sticky and can be spread by birds.

Further Information

• Encyclopedia of Life
• Discover Life
• CalPhotos