Northern Prairie Wildlife Research Center


Home	About NPWRC	Our Science	Staff	Employment	Contacts	Common Questions	About the Site

Wyoming Rare Plant Field Guide

Dorn's Twinpod
Physaria dornii

JPG -- Species Photo

GIF -- Distribution Map

Similar Species: P condensata has shorter leaves in a flattened rosette and narrow fruit (0.5- 1 cm wide). P. eburniflora has round-tipped, flattened basal leaves, whitish flowers, and narrower fruits with spreading hairs. P. integrifolia has erect stems exceeding the basal rosette by 5 cm or more.
Flowering/Fruiting Period: May-July/June-July. Mature fruits required for positive identification.
Distribution: Endemic to the Rock Creek Ridge area, Wyoming (Lincoln Co.).
Habitat: Dry, calcareous-shaley soils on slopes and ridges with mountain mahogany and rabbitbrush. Elev. 6500-7200 ft.
References: Dorn 1992 b; Lichvar 1982, 1983 a; Marriott 1988 a; Weynand and Amidon 1990.

U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/plants/wyplant/spec/physdorn.htm
Page Contact Information: Webmaster
Page Last Modified: Saturday, 02-Feb-2013 06:54:59 EST
Menlo Park, CA [caww55]