Japanese Hops Humulus japonicus Siebold & ZuccariniNon-native  -  Invasive    Synonyms: Humulus scandens.
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Urticales   >   Family Cannabaceae   >   Genus Humulus   

Status:

An invasive species from temperate Asia introduced to the U.S. in the late 1800s for oriental medicine and ornamental purposes.

Description:

Distinguished from Common Hops by having usually 5 to 7 lobes per leaf rather than three (or none).

There are 117 records in the project database.

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Japanese Hops in Prince George's Co., Maryland (8/6/2012). Photo by Bill Hubick. (MBP list)

Japanese Hops in Anne Arundel Co., Maryland (8/17/2010). Photo by Bill Harms. (MBP list)

Pistillate and staminate flowers of Japanese Hops in Anne Arundel Co., Maryland (9/8/2010). Photo by Bill Harms. (MBP list)

Japanese Hops in Howard Co., Maryland (6/10/2015). Photo by Sue Muller. (MBP list)

Japanese Hops blooming in Prince George's Co., Maryland (8/23/2017). Photo by Maddie Koenig. (MBP list)

Japanese Hops in Baltimore Co., Maryland (5/8/2016). Photo by Bill Hubick. (MBP list)

Japanese Hops blooming in Baltimore Co., Maryland (8/21/2017). Photo by Bill Hubick. (MBP list)

Japanese Hops in Frederick Co., Maryland (9/4/2015). Photo by Sue Muller. (MBP list)

Japanese Hops fruiting in Harford Co., Maryland (10/6/2018). Photo by Josh Emm. (MBP list)

Japanese Hops in Carroll Co., Maryland (7/20/2018). Photo by Matthew Beziat. (MBP list)

Japanese Hops in Baltimore City, Maryland (7/6/2019). (c) Brett M, some rights reserved (CC BY-NC). Photo by Brett M via iNaturalist. (MBP list)

Japanese Hops in Anne Arundel Co., Maryland (8/26/2020). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (MBP list)

Japanese Hops in Harford Co., Maryland (8/20/2017). (c) Ashley M Bradford, some rights reserved (CC BY-NC). Photo by Ashley Bradford. (MBP list)


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MBP marks as "Invasive" any taxon listed in the Maryland Invasive Species Council (MISC) list of Invasive Species of Concern in Maryland. You can read their criteria and review the lists here: https://mdinvasives.org/species-of-concern/.

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