Slender Bird's Beak
Cordylanthus tenuis
- Native to:
- United States
iNaturalist: © cjs041 (iNaturalist #50445065)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Orobanchaceae
- Genus:
- Cordylanthus
- Species:
- Cordylanthus tenuis
- USDA Symbol:
- COTE3
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 50 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- purple, yellow, white
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Thessalia leanira
Garden & Ecology Notes
- Wildlife Value:
- bees, bumblebees
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Occurs in fire-adapted chaparral and woodland habitats; may benefit from post-fire conditions.
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- often found in open, rocky areas
Propagation & Germination
- Notes:
- Hemiparasitic annual; seeds may require host plant proximity for successful establishment.
The above propagation data sourced from Claude AI
Pre-treatment: Place in a cooler for cool/moist stratification for 90 days
Establishment: This plant can be found in portions of Oregon, California and Nevada.
Source: npn.rngr.net