Coastal Manroot
Marah oreganus
No machine-readable author provided. Folini assumed (based on copyright claims).
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cucurbitaceae
- Genus:
- Marah (Kellogg | - m)
- Species:
- Marah oreganus
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Vine
- Height:
- 20-40 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- apr, may, jun, jul
- Bloom Colors:
- White
Native Range
United States: California, Oregon, Washington, Canada: British Columbia
Host Plant for Caterpillars
Clepsis fucana, Glorious Squash Vine Borer (Melittia gloriosa), Spilosoma vestalis
Reported Fauna Sightings
Bees: Black-tailed bumble bee (Bombus melanopygus), Black-tailed bumble bee (Bombus melanopygus), Fuzzy-horned bumble bee (Bombus mixtus), Fuzzy-horned bumble bee (Bombus mixtus), Sitka bumble bee (Bombus sitkensis), Sitka bumble bee (Bombus sitkensis), Two-form bumble bee (Bombus bifarius), Two-form bumble bee (Bombus bifarius), Yellow-faced bumble bee (Bombus vosnesenskii), Yellow-faced bumble bee (Bombus vosnesenskii)
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to open woodlands and rocky slopes
Germination Information
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 90 days.
Source: OpenAI GPT-4o