Italian Arum Arum italicum Linnaeus subsp. italicumNon-native    
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Arales   >   Family Araceae   >   Genus Arum   

Status:

Recently documented in Montgomery County, Maryland (J. Hill/MNPS) and Washington, D.C. (National Park Service). Considered an invasive species in parts of its expanding range.

Description:

Fruit stalk similar to Jack in the Pulpit, but more elongated. Leaves disappear after flowering in the spring, and new leaves emerge in the fall (and then overwinter), as in Cranefly Orchid and Puttyroot (J. Hill, pers. comm.).

Where to find:

Cabin John Regional Park and Bannockburn Creek (Bethesda) in Montgomery Co., Maryland; Rock Creek Park and National Arboretum in Washington, D.C.

There are 31 records in the project database.

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Italian Arum in Anne Arundel Co., Maryland (4/12/2018). Photo by Bill Hubick. (MBP list)

Italian Arum in Montgomery Co., Maryland (1/18/2013). Photo by Jane Hill. (MBP list)

Italian Arum in Montgomery Co., Maryland (12/5/2012). Photo by Jane Hill. (MBP list)

Italian Arum in Montgomery Co., Maryland (12/13/2015). Photo by Jane Hill. (MBP list)

Italian Arum fruit stalk in Montgomery Co., Maryland (7/24/2014). Photo by Jane Hill. (MBP list)

Italian Arum fruit stalk in Montgomery Co., Maryland (7/24/2014). Knife included to show relative size. Photo by Jane Hill. (MBP list)

Italian Arum growing in Montgomery Co., Maryland (2/5/2020). Photo by Mark Etheridge. (MBP list)

Italian Arum in Montgomery Co., Maryland (12/20/2020). (c) timboucher, some rights reserved (CC BY-NC). Photo by timboucher via iNaturalist. (MBP list)

Italian Arum in Montgomery Co., Maryland (12/26/2017). Photo by Elizabeth Miller. (MBP list)

Italian Arum in Montgomery Co., Maryland (3/15/2020). (c) mmn_noriko, some rights reserved (CC BY-NC). Photo by mmn_noriko via iNaturalist. (MBP list)

Italian Arum in Baltimore Co., Maryland (2/23/2020). (c) Emilio Concari, some rights reserved (CC BY-NC). Photo by Emilio Concari. (MBP list)


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