Arisaema triphyllum - dark purplish-brown form

Arisaema triphyllum - flower profile    copyright  2000 Mark McDonough

Photo by Mark McDonough

The northeastern American native A. triphyllum is best known
by the common name Jack-in-the-Pulpit.  Extremely variable,
numerous names and subspecies have been described
based on spathe coloration and form.  However, I
have found that single populations are remarkably variable,
therefore haven't given much notice to subspecific rankings.

While swatting mosquitos, I snapped this profile view of
a selected dark purplish-brown form.  Originally found
in the deep shade of overgrown shrubs, brambles, and
poison ivy at my folks house in Lexington, Massachusetts,
these plants kept good company with Trillium cernuum.
Notice in this very dark form, that the spadix is dark
purplish-brown (sometimes it is white). Also, most dark
forms still appear green on the outside, while this one is
so dark that the tube of the spathe shows the purplish
coloration even from the outside.

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Questions or comments on this page?  Contact Mark McDonough at antennaria@aol.com.

Images and textual content copyright 2000 Mark McDonough

This page was last updated on 06/18/01