MMuhlenberg College

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Notice flower spikes coming off of the stem.

Boehmeria cylindrica

Common Name: False Nettle
Family: Urticaceae

These leaves are ovate in shape with a pointed end. They are coarsely toothed and have three well defined veins.
Flowering in July-October the flowers are found in compact clusters. Each flower, which is only 1/10 of an inch, is green with leafy tips and forms slender spikes.
Archenes ovoid, narrowly winged and up to 1/0 of an inch long.
Stem: The unbranching stem is erect, smooth and light green in color. It can either have 4-angled or rounded shape.
Branching Pattern:
Height: up to 2.5 feet tall
Conditions/Habitat/Kind of Forest: Found in shady places with moist soil. However, does not tolerate flooding very well. Specifically it can be found in low woods, along streams, wet meadows and bogs.
Known Wildlife Interactions: Eaten by butterfly caterpillars and occasionally by herbivores.
Conservation Status-US/ World Wide: 
Uses (Human):


Aquatic and Wetland Vascular Plants of the Northern Great Plains.  February 23, 2005.  Northern Prairie Wildlife Research Center.  Accessed:  January 20, 2006. <>

Connecticut Wildflowers.  January 20, 2006.  Connecticut Botanical Society.  Accessed:  January 20, 2006. <>

Plants for a Future.  June 2004.  Accessed: January 20, 2006.  <>

The Pennsylvania Flora Project.  Botany Department, Morris Arboretum of the University of Pennsylvania.  Accessed:  January 20, 2006. <>

IUCN Red List of Threatened Species <>

This page was created by: A Coiro, Muhlenberg College
Photos by: L. Rosenberg, edited by N. Smith
Last updated 04/25/06