ISSN:
1615-6110
Keywords:
Scrophulariaceae
;
Orobanchaceae
;
Euphrasia
;
Rhinanthus
;
Melampyrum
;
Pedicularis
;
Tozzia
;
Lathraea
;
Odontites
;
Bartsia
;
Bellardia
;
Parentucellia
;
Orobanche
;
Hyobanche
;
Alectra
;
Striga
;
Parasitism
;
primary and secondary haustoria
;
wart- and leaf-haustoria
;
evolution
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract Different growth forms and life forms of parasitic plants inScrophulariaceae andOrobanchaceae were studied from a comparative point of view. The most primitive form of parasitism is found in small, annual root parasites. Small wart-haustoria in the hypocotylar region of larger root parasites point towards a tendency of these plants to form hypocotylar tubercles as primary haustoria. Wart-haustoria also can develop on scale leaves, demonstrating an evolutionary trend towards the most advanced form of parasitism in these two families the formation of large leaf haustoria.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01004627
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