Comparison of Boechera xylopoda to B. perennans and B. pulchra
See Arabis = Boechera species with non-erect fruit for the background for this page.
Boechera xylopoda is said to be an ancient hybrid between B. perennans and B. pulchra. Fig. 4 shows pictures of a number of characteristics of all three species, to show its intermediate nature.
Click on each picture to get a larger version.
Fig. 4. Pictures of A. perennans, A. pulchra var. gracilis, and A. pulchra var. pulchra
Characteristic A. perennans
A. pulchra var. gracilis
A. pulchra var. pulchra
Young Fruit Inflorescence with Mature Fruit
Note that the hairs of A. pulchra var. gracilis are gone on the mature fruit.
(not available) Basal Leaves for plants in flower
The rosettes of "A. holboellii" often have a larger number of leaves than are shown here.
(not available) Cauline Leaves for plants in flower Stem Hairs
Copyright © 2011-2012 by Tom Chester and Dave Stith.
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Comments and feedback: Tom Chester
Updated 25 April 2012.