Acer caesium
Family |
Sapindaceae (Aceraceae) |
Genus |
Acer |
Species |
caesium |
Category |
Woody |
Type |
Tree (deciduous) |
USDA Hardiness Zone |
5 - 9 |
Canadian Hardiness Zone |
4a |
RHS Hardiness Zone |
H7 - H3 |
Temperature (°C) |
(-26) - (-1) |
Temperature (°F) |
(-15) - 30 |
Height |
15-25 m |
General Description |
This species has been placed on the IUCN Red List as least concern. It is listed as near threatened in China. |
Cultivation |
Moist, well drained soil in full sun to partial shade. |
Habitat |
Alpine forests at an altitude of 2,000-3,700 m. |
Bark/Stem Description |
Grey bark with glabrous branchlets. |
Flower/Leaf Bud Description |
Ovoid. |
Leaf Description |
Thin, 5 triangular leaves, 7-9 pairs of lateral veins and a cordate base, 11-21 x 11-14 cm. |
Flower Description |
5 petaled white flowers with 5 yellowish-green sepals and 8 stamens. |
Fruit Description |
Yellow fruit, convex winged nutlets, 4-5.5 cm, produced in September. |
Propagation |
Sow ripe seed in a cold frame, germination will occur the following spring. Pre-soak for 24 hours then stratify for 2-4 months at 1-8°C. When large enough prick and place into individual ports until they are 20 cm or higher, then plant in permanent positions. Cuttings should be taken from young shoots in June or July. Cuttings should have 2-3 pairs of leaves and on pair of buds at its base. |
Ethnobotanical Uses (Disclaimer) |
The juice from the bark is used in Napal to treat boils, pimples and swollen muscles. |