All flowers
Catalina Ironwood Wikimedia Commons
Rosaceae

Catalina Ironwood

Lyonothamnus floribundus

Island resilience.

Family
Rosaceae
Genus
Lyonothamnus
Native to
Channel Islands, California
Bloom season
Spring, Summer
Type
evergreen tree
Height
30-60 ft
Sunlight
full sun
Soil
well-drained, rocky
Water
low
Hardiness
9-11
Lifespan
perennial

Did you know

  • Catalina ironwood is a living fossil, a relict species that once grew across western North America millions of years ago.
  • It survives naturally only on four of California's Channel Islands, making it one of the rarest trees in North America.
  • The bark peels in long, cinnamon-red strips, giving the trunk a distinctive shaggy appearance.
  • Its fernlike foliage is unusual for the rose family and represents a primitive leaf form.
  • Fossil evidence shows its ancestors grew alongside dinosaurs in the Cretaceous period.

Color meanings

0

rarity

1

endurance

Uses

  • specimen tree
  • drought-tolerant landscaping
  • conservation planting