Phellodendron amurense
Amur corktree · also Amur cork-tree, Chinese corktree, Chinese cork-tree
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Phellodendron amurense is a deciduous tree native to East Asia, known for its open canopy, glossy foliage with a citrus aroma, and distinctive yellow underbark beneath a corky outer bark. It is highly tolerant of drought and air pollution once established, making it suitable for urban environments. However, it is considered an invasive species in parts of North America.
Where it grows
Trees in each city's inventory, with the share of that city's named trees this species accounts for.
- 2,4940.75%5.4 yr2.0 in
- 1,3830.20%—3.1 in
- 1,0190.65%2.9 yr2.0 in
- 3820.46%—1.6 in
- 2660.04%—11 in
- 2530.09%—2.4 in
- 2390.32%—4.7 in
- 1630.35%—2.4 in
- 1530.05%—2.4 in
- 1170.10%—15 in
- 980.03%—3.0 in
- 970.03%—6.3 in
- 920.03%21 yr9.8 in
- 610.08%—7.1 in
- 550.07%7.8 yr2.0 in
- 520.01%4.0 yr2.4 in
- 340.08%—2.0 in
- 290.01%—5.8 in
- 270.01%41 yr9.4 in
- 120.01%6.6 yr4.2 in
- 120.01%—17 in
- 100.03%—17 in
- 80.00%—1.2 in
- 30.01%—11 in
- 30.01%——
- 20.02%—18 in
- 10.01%—7.9 in
Traits
- Form
- Broadleaf
- Foliage
- Deciduous
- Mature height
- 30–40 ft
- Canopy spread
- 40–60 ft
- Growth rate
- Fast
- Water needs
- Moderate
- Drought tolerance
- High
- Pollution tolerance
- High
- Wildlife value
- Moderate
- Blooms
- Mar, Apr, May
Trunk diameters across every city: median 2.4 in, mean 4.8 in, 90th percentile 12 in. Measured at breast height, as published by each inventory.
Native range
Terrestrial ecoregions where this species is native. Trees in the dataset mostly stand well outside it.
Temperate Broadleaf & Mixed Forests
- Central China Loess Plateau mixed forests
- Central Korean deciduous forests
- Northeast China Plain deciduous forests
- Southern Korea evergreen forests
Flooded Grasslands & Savannas
- Amur meadow steppe
Other Phellodendron in the catalogue
3 of the top 2,000 species are in this genus.
