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Lyonothamnus floribundus ssp. aspleniifolius

Lyonothamnus floribundus A. Gray ssp. aspleniifolius (Greene) P.H. Raven

Fernleaf Catalina Ironwood, Catalina Ironwood

Rosaceae (Rose Family)

Synonym(s): Lyonothamnus floribundus ssp. asplenifolius, Lyonothamnus floribundus var. aspleniifolius

USDA Symbol: lyfla

USDA Native Status: L48 (N)

A slender evergreen tree that can have a single, straight trunk or be branched from the base and shrub-like. It grows quickly from 30-50 ft. and maintains a good form. The exfoliating, red-brown bark; glossy, fern-like, divided leaves; and large, terminal clusters of white flowers with yellow centers are all attractive landscape features.

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

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Plant Characteristics

Duration: Perennial
Habit: Tree
Leaf Retention: Evergreen
Leaf Arrangement: Opposite
Leaf Complexity: Pinnate
Inflorescence: Panicle
Fruit Type: Follicle
Flower:
Size Class: 36-72 ft.

Bloom Information

Bloom Color: White
Bloom Time: May , Jun

Distribution

USA: CA
Native Distribution: Channel Islands, CA
Native Habitat: Dry slopes & bluffs below 500 ft.

Growing Conditions

Light Requirement: Sun
Soil Description: Well-drained soils with at least 15 in. precip./yr.
Conditions Comments: Not Available

Propagation

Description: Propagation by seed is fast.
Seed Collection: Not Available
Seed Treatment: Seeds germinate without pretreatment.
Commercially Avail: yes

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

Bibliography

Bibref 995 - Native Landscaping from El Paso to L.A. (2000) Wasowski, S. and A. Wasowski

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Additional resources

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

Metadata

Record Modified: 2011-08-26
Research By: TWC Staff

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