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Cordylanthus rigidus  (Benth.) Jeps.
Rigid bird's beak,   Stiffbranch bird's beak
© 2021 Mike Russler
© 2023 Ron Vanderhoff
© 2021 Mike Russler
© 2021 Ron Vanderhoff
© 2021 Mike Russler
© 2023 Mike Russler
© 2023 Mike Russler
© 2023 Mike Russler
© 2023 Mike Russler
© 2023 Mike Russler
© 2023 Mike Russler
© 2019 Diane Etchison
© 2023 Mike Russler
© 2023 Mike Russler
© 2023 Mike Russler
© 2023 Mike Russler
© 2024 Mike Russler
© 2024 Mike Russler
© 2020 Jacob Smith
© 2021 Patrick Furtado
© 2023 Mike Russler
© 2023 Mike Russler
© 2022 R.A. Chasey
© 2022 R.A. Chasey
© 2023 Mike Russler
© 2023 Mike Russler
© 2023 Mike Russler
© 2023 Mike Russler
© 2023 Mike Russler
© 2023 Mike Russler
© 2023 Mike Russler
© 2023 Mike Russler
© 2018 Mary Merriman
© 2018 Mary Merriman
© 2024 Mike Russler
© 2019 Ron Vanderhoff
© 2022 Irene Rosen
© 2023 R.A. Chasey
Cordylanthus rigidus is an annual herb (hemiparasitic) that is native to California, and endemic (limited) to California.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
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Bloom Period
Subspecies and Varieties:
Genus: Cordylanthus
Family: Orobanchaceae  
(Scrophulariaceae)
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Habitat: slopes

Communities: Yellow Pine Forest, Mixed Evergreen Forest, Foothill Woodland, Chaparral

Name Status:
Accepted by JEF + PLANTS + POWO

Information about  Cordylanthus rigidus from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (CORI2)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[Wikipedia] Description: This is a hairy annual herb growing to maximum heights anywhere from 30 centimeters to 1.5 meters. There are at least four subspecies and possibly natural varieties not distinct enough to be considered subspecies. There is great variety in the appearance of the plant. The stem and foliage vary in color from greenish to yellows and reds; like other members of its family this species is a parasite on other plants so it does not rely entirely on green chlorophyll to produce its own nutrients. (link added by Mary Ann Machi)


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 03/28/2025).