Swamp-Oak
Casuarina obesa
- Native to:
- Australia
Kevin Thiele (www.flickr.com) from Perth, Australia,Kevin Thiele (www.flickr.com) from Perth, Australia,Kevin Thiele (www.flickr.com) from Perth, Australia,The Fun Chronicles,The Fun Chronicles,Murray Fagg,Kevin Thiele (www.flickr.com) from Perth, Australia,Raffi Kojian,Parrotta, John A,Maiden, J. H. (Joseph Henry), 1859-1925,Samuel Haughton,Coelho Neto (en.wikipedia.org)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Casuarinaceae
- Genus:
- Casuarina
- Species:
- Casuarina obesa
- USDA Symbol:
- CAOB12
Growth Characteristics
- Height:
- 1500 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
Garden & Ecology Notes
- Wildlife Value:
- birds
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from lignotuber after fire; seeds also released from serotinous cones post-fire.
Soil Requirements
- Soil Type:
- sandy to clayey, saline-tolerant soil
- pH:
- 5.5 - 8.5 (slightly acidic to alkaline)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist to waterlogged
- Notes:
- often found in saline or brackish environments
Propagation & Germination
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 14–60 days
- Notes:
- Seeds benefit from hot water treatment or mechanical scarification to break seed coat dormancy; germination occurs in 2-8 weeks.