Encephalartos altensteinii
Prickly Cycad
Family |
Zamiaceae |
Genus |
Encephalartos |
Species |
altensteinii |
Category |
Woody |
Type |
Tree (evergreen), Shrub (evergreen) |
USDA Hardiness Zone |
10 - 12 |
Canadian Hardiness Zone |
Requires cool season protection under glass. |
Height |
3 - 6 m |
Spread |
2 - 5 m |
Landscape |
Ornamental use and container planting when young. |
Cultivation |
Full sun and partial-shade. Moist, well-drained soils. Prefers loam. Shade, light frost and drought tolerant. |
Shape |
Dense and upright. |
Growth |
Slow |
Bark/Stem Description |
Over time a stout trunk develops. |
Flower/Leaf Bud Description |
Produces seed cones. The cones on female trees grow to 55 cm long and resembles a pineapple. Cones on male trees are cylindrical and smaller. |
Leaf Description |
Stiff, pinnate, palm-like leaves with spiny leaflets. Leaves are whorled into a dense upright crown. Leaflets usually have prickles. |
Colour Description |
The leaflets are bright green. The cones are yellowish-green. |
Notable Specimens |
Kings Park and Botanical Garden, Perth, Australia. |