Alocasia macrorrhiza
Giant Taro, Giant Elephant Ear, Upright Elephant Ear.
Family |
Araceae |
Genus |
Alocasia |
Species |
macrorrhiza |
Category |
Bulbs, Perennials, Tropicals |
USDA Hardiness Zone |
9 - 12 |
Canadian Hardiness Zone |
Requires cold season protection under glass. |
RHS Hardiness Zone |
H1a |
Height |
4 - 5 m |
Spread |
1 - 2 m |
Landscape |
Perfect as a greenhouse plant for containers, or for the shade gardens. |
Cultivation |
Best grown in part shade or filtered sun in moist to wet, organically rich soils in sheltered locations protected from strong winds. |
Growth |
Fast |
Pests |
May be prone to spider mites, scale, mealy bugs, and aphids. |
Leaf Description |
Thick, sculpted, glossy green, wavy-edged leaves, and up to 1 m long. |
Notable Specimens |
Queen Sirikit Botanic Garden, Mae Rim District, Chiang Mai Province, Thailand. |
Propagation |
By seed and division of offset corms. |
Ethnobotanical Uses (Disclaimer) |
Roots are used to treat swollen lymph glands and the stem is used to treat stomach-ache and diarrhoea. The corm and stem are eaten cooked. |