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Genus :

Xanthosoma

Family :

ARACEAE

Description


Perennial, evergreen or seasonally dormant herbs, tuberous. Leaves  cordate, or sagittate, rarely peltate,  petiole sheathing. Inflorescence 1-many. Peduncles usually short. Spathe strongly constricted, tube persistent, limb boat-shaped.  Spadix shorter than spathe. Female zone cylindric-conoid,  separated from male zone by longer zone of sterile male flowers. Flowers unisexual, perigone absent. Male flowers 4-6 androus, stamens connate into synandria. Ovary ovoid, 2-4 locular, ovules numerous, anatropous or hemianatropous,  parietal or axile, stigma sub-hemispheric or 2-4 lobed. Fruit berry, 3-4 celled. Seeds ovoid.

Key to the species

Serial Key Reference
1a. Plant with above ground long stem Xanthosoma sagittifolium
1b. Plant with above ground short stem Xanthosoma violaceum