Acer pycnanthum
Japanese Red Maple, Hananoki
| Family | 
| Sapindaceae (Aceraceae) | 
| Genus | 
| Acer | 
| Species | 
| pycnanthum | 
| Category | 
| Woody | 
| Type | 
| Tree (deciduous) | 
| USDA Hardiness Zone | 
| 6 | 
| Canadian Hardiness Zone | 
| 5a | 
| RHS Hardiness Zone | 
| H7 | 
| Temperature (°C) | 
| (-29) | 
| Temperature (°F) | 
| (-20) | 
| Height | 
| 5-10 m | 
| General Description | 
| This rare broadleaf maple is an endangered species, it has been placed on the IUCN Red List as globally threatened. It resembles Acer rubrum, but is smaller. | 
| Shape | 
| Rounded crown. | 
| Growth | 
| Medium | 
| ID Characteristic | 
| Blue tinged twigs. | 
| Habitat | 
| Wetlands of central Honshu, Japan. | 
| Leaf Description | 
| Leaves are three-lobed with lobs that are triangular-ovate and biserrate. They are dark green and glaborous on the top and glaucous blue-tinged underneath. | 
| Flower Description | 
| Red. | 
| Fruit Description | 
| Glaborous with wings erect or at an acute angle. | 
| Notable Specimens | 
| Westonbirt, The National Arboretum, Tetbury, Gloucestershire, England. |