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Biochemical Systematics and Ecology 29 (2001) 551561 Transfer of quinolizidine alkaloids from hosts

Summary: Biochemical Systematics and Ecology 29 (2001) 551­561
Transfer of quinolizidine alkaloids from hosts
to hemiparasites in two Castilleja­Lupinus
associations: analysis of floral and vegetative
Lynn S. Adlera,
*, Michael Winkb
Center for Population Biology and Department of Entomology, 2320 Storer Hall, Section of Evolution and
Ecology, University of California at Davis, One Shields Avenue, Davis, CA 95616, USA
Universitaet Heidelberg, Institut fuer Pharmazeutische Biologie, Im Neuenheimer Feld 364, D-69120
Heidelberg, Germany
Received 26 May 2000; accepted 25 September 2000
Many hemiparasites, including several members of the Castilleja genus (Scrophulariaceae),
obtain secondary compounds from their host plants. Both Castilleja miniata in subalpine
Colorado and C. indivisa in central Texas have reduced herbivory when obtaining alkaloids
from the hosts Lupinus argenteus and L. texensis (Fabaceae), respectively. However,
pollinators were not deterred from visiting Castilleja parasitizing alkaloid-containing hosts.


Source: Adler, Lynn - Department of Plant, Soil and Insect Sciences, University of Massachusetts at Amherst


Collections: Environmental Sciences and Ecology