Description

General aspect and origins - There are more than 70 species in the genus Alocasia, most of them native to tropical Asia. These are generally big perennial and upright plants. Alocasia odora is also known as giant upright elephant ear. It is very similar to Alocasia macrorrhiza, which is also named giant upright elephant ear.
Leaves - This Alocasia has big upright leaves that can be more than 3 ft (1 m) long, very similar to that of Alocasia macrorrhiza. However, unlike this latter, Alocasia odora has slightly pelted leaves.
Flowers - This plant has inflorescences that are about 8 in (20 cm) long, and that are made of a green and white spathe that covers the tiny flowers. Female flowers are grouped at the lower part of the inflorescence, whereas the male flowers are at the top.
Fruits - Fruits, which are orange-red, are not edible.

Culture

Alocasia odora is an ornamental plant with big leaves and with a real "tropical look", that may withstand low temperatures, down to about 0°F (-12°C to -15°C) if the ground is very well-drained. However, at these temperatures, the aerial parts will be frozen to the ground. Note : The sap of Alocasia odora can be skin irritating..
Soil - Alocasia odora requires a fertile, moist and well-drained ground.

Propagation

This plant can be propagated by seeds, cuttings or rhizom division. It is best to sow fresh seeds. Cuttings can be tried in spring.