Alternative names: Not Applicable

Description:
Usually perennial herbs with tuberous or rhizomatous stems; leaves usually entire, often petiolate and often with reticulate venation.

Inflorescence a spike of tightly packed small unisexual or bisexual flowers in the axil of a spathe which is sometimes large and showy; flowers with or without a perianth; ovary sessile, superior.

fruit a berry.

Distribution:  About 115 genera and 2,000 species, predominantly tropical.

Biology: No text

Key to Genera:

1. Spathe to 5 cm long	ARISARUM 1.
1. Spathe at least 20 cm long
2. Upper part of the spadix without flowers	ARUM 2.
2. Upper part of the spadix covered with male flowers	ZANTEDESCHIA 3.

Author: Prepared by J.P. Jessop