Morphological observations on leaf haustoria and related organs of the South African genusHyobanche(Scrophulariaceae)
作者:
Job Kuijt,
J. H. Visser,
H. Chr. Weber,
期刊:
Canadian Journal of Botany
(NRC Available online 1978)
卷期:
Volume 56,
issue 23
页码: 2981-2986
ISSN:0008-4026
年代: 1978
DOI:10.1139/b78-361
出版商: NRC Research Press
数据来源: NRC
摘要:
Most haustoria inHyobanche(Scrophulariaceae) are formed directly from the scale leaves of the extensive rhizome system and may be found on adaxial surfaces, margins, or tips of such leafy organs. The only exceptions are occasional haustoria, emerging from rhizome areas between adjacent scale leaves, and the primary haustorium. Host roots appear to be attracted to the rhizome, growing along its surface and apparently eliciting haustorial formation in adjoining parasitic tissues. The established parasite is completely rootless.
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