Robert W. Freckmann Herbarium

Araceae: Arum, Calla

A large modified leaf called a spathe surrounds or partly covers the spadix which is a spike containing many small florets. Leaves are usually large and smooth with a glossy finish. Plants which likes damp, wet, or shady places and have acrid or pungent juice.
Flora of North America: Discussion, key to genera (opens new window)
Flower Formula:  Sepals spathe; Petals spadix Glossary

Genus 
(Click for Taxon List)
WI Taxa
(map link)
Photo Genus Traits Google Searches
Arisaema
Jack-in-the-pulpit, green dragon
2 Photo of Arisaema Green or reddish spadix. Compound leaves. Images   Information
Calla
calla
1 Photo of Calla White spadix, simple arrow-shaped leaves. Water's edge. Images   Information
Peltandra
arrow-arum, tuckahoe
1 Photo of Peltandra Green elongated spadix. Simple arrow-shaped leaves. Aquatic. Images   Information
Symplocarpus
skunk-cabbage
1 Photo of Symplocarpus Brown-spotted rounded spadix. Simple large leaves. Moist habitat. Images   Information


         
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