Longstem Adderstongue
Ophioglossum petiolatum
- Native to:
- Australia, Bangladesh, Bismarck Archipelago, Borneo, Caroline Is., Chatham Is., China, Christmas I., Fiji, Hainan, Hawaii, India, Japan, Jawa, Kermadec Is., Lesser Sunda Is., Malaya, Maluku, Mexico, Myanmar, Nansei-shoto, Nepal, New Caledonia, New Guinea, New Zealand, Niue, Norfolk Is., Ogasawara-shoto, Pakistan, Philippines, Samoa, Society Is., Solomon Is., Sri Lanka, Sumatera, Taiwan, Thailand, Tubuai Is., United States, Vanuatu, Vietnam
Keisotyo
Taxonomy
- Division:
- Pteridophyta | - Ferns
- Family:
- Ophioglossaceae
- Genus:
- Ophioglossum
- Species:
- Ophioglossum petiolatum
- USDA Symbol:
- OPPE2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 20 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Low
Garden & Ecology Notes
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- prefers shaded, humid environments
Propagation & Germination
- Notes:
- Fern reproduces via spores; propagation is extremely difficult and typically requires mycorrhizal associations.
The above propagation data sourced from Claude AI