SelecTree: Tree Detail
HENRY FLAME TREE
Koelreuteria elegans subsp. formosana
Photo Locations: UC Davis Arboretum - Davis, CA and Foster Botanical Garden - Honolulu, HI
Less hardy than Koelreuteria bipinnata.
Has fragrant Flower.
Spreading with a Low Canopy.
Rounded, Umbrella or Vase Shape.
Has Deciduous foliage.
Height: 20 - 30 feet.
Width: 20 - 30 feet.
Growth Rate: 24 Inches per Year.
Longevity 50 to 150 years.
Leaves Bipinnately Compound, Medium to Dark Green, Bronze or Gold, Deciduous.
Flowers Showy. Fragrant Yellow. Flowers in Summer. Has perfect flowers (male and female parts in each flower).
Prolific, Orange, Red or Rose Capsule, Large (1.50 - 3.00 inches), fruiting in Fall.
Bark Light Green, Fissured.
Shading Capacity Rated as Moderate in Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 14 - 24.
USDA Hardiness Zones 9 - 11.
Exposure Full Sun to Partial Shade.
Clay, Loam or Sand Texture.
Highly Acidic to Highly Alkaline Soil pH.
Seaside Tolerance is Good in Mild Zone.
Pests & Disease Information
Susceptible to Beetle Borers and Scales.
Health, Safety & Environmental Concerns
Branch Strength Rated as Medium.
Root Damage Potential Rated as Low.
None Known Health Hazard.
Special Uses & Values
Cite this tree:
SelecTree. "Koelreuteria elegans subsp. formosana Tree Record." 1995-2019. Dec 15, 2019.
< https://selectree.calpoly.edu/tree-detail/koelreuteria-elegans-formosana >