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Lyonothamnus floribundus ssp. floribundus (Catalina ironwood)
Wasowski, Sally and Andy

Lyonothamnus floribundus ssp. floribundus

Lyonothamnus floribundus A. Gray ssp. floribundus

Catalina Ironwood, Santa Catalina Island Ironwood

Rosaceae (Rose Family)



USDA Native Status: L48 (N)

The genus name, meaning "Lyon's shrub," honors the discoverer, William Scrugham Lyon (1852-1916), a U.S. horticulturist and forester.


From the Image Gallery

3 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Tree
Leaf Retention: Evergreen
Leaf Arrangement: Opposite
Leaf Complexity: Simple
Leaf Shape: Linear , Oblong
Leaf Margin: Crenate , Entire
Inflorescence: Panicle
Fruit Type: Follicle
Size Class: 36-72 ft.

Bloom Information

Bloom Color: White


Native Distribution: South Channel Islands (Santa Catalina Island), California, endemic. Threatened by feral animals.
Native Habitat: Rocky slopes, canyons, oak woodland, chaparral, 65'-1625'.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Santa Barbara Botanic Garden - Santa Barbara, CA


Bibref 7 - Jepson Manual: Higher Plants of California (1993) Hickman, J.C. (ed.)
Bibref 995 - Native Landscaping from El Paso to L.A. (2000) Wasowski, S. and A. Wasowski

Search More Titles in Bibliography

Additional resources

USDA: Find Lyonothamnus floribundus ssp. floribundus in USDA Plants
FNA: Find Lyonothamnus floribundus ssp. floribundus in the Flora of North America (if available)
Google: Search Google for Lyonothamnus floribundus ssp. floribundus


Record Modified: 2011-08-26
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