Botanical Name: Lyonothamnus floribundus v. asplenifolius
Common Name: Catalina ironwood
Type of Plant: dicot: tree
Character evergreen
 
Habit of Growth:
Overall Shape an erect, single or multi-trunked tree, with conspicuous bark peeling off in long ribbony strips; ascending-spreading branches form a fairly dense irregularly oval canopy; outermost branches tend to droop
Height 15' - 30'(50')
Spread 2/3 to equal
Growth Rate slow-moderate
 
Environment:
Exposure outdoors full or partial sun; prefers some shade at inland areas
Soil drier clay soils preferred; tolerates most well-draining
Hardiness hardy (zones 15-17, 19-24): thrives in warm coastal foothill areas
 
Morphology:
Leaves odd-pinnately compound, opposite, 5" - 10" (12") long; 3-7 leaflets, each oval-oblong, with crenate-undulate margins; dark green above, paler green beneath
Flowers white, 5-petaled, small (1/8"-1/4" across); in large showy compound panicles, terminal; April-June
Fruit small woody, hairy follicles, 1/8" across
 
Propagation:
seed
 
Usage:
an accent tree for its distinctive foliage and heavy flower display; a large informal screen or massed background; groves, slope plantings
 
Landscape Care:
Watering an occasional deep soak; tolerates regular watering if drainage is excellent
Fertilizing little is needed after established
Pruning head high when young to develop the primary branch structure; thin out occasionally to remove deadwood
Pests/Diseases bacterial fireblight
Special Conditions/Other
 
Origin: chaparral area on Channel Islands of Southern California
Family: Rosaceae

Notes:
 
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