Hi marasmius,
I did a search of both the BIOSIS and AGRICOLA databases for A.
jenmanii, and found nothing. However, I did find the following
citations to articles and monographs dealing with the germination of
Anthurium seeds:
TB Croat, "Germination of Seeds of Anthurium" Aroideana. July 1979.
v. 2(3), pp. 78-81
TK Matsumoto et al. "Zygotic Embryogenesis in Anthurium (Araceae)".
American Journal of Botany. Nov. 1998. v. 85(11), pp. 1560-1568.
"Morphological, anatomical, and histochemical aspects of zygotic
embryogenesis by Anthurium andraeanum Lind. were investigated from 4
to 24 wk postpollination. Anatomical features were correlated with
morphology of the spadix and capacity of embryos to germinate in
vitro. Development from a single-cell zygote to fully mature seed
takes 24 wk. The suspensor was two ranked and obvious during the early
stages of embryogeny. It was apparent by week 8, substantial until
week 14, and diminished rapidly until its absence by week 22.
Differentiation of the shoot apex, cotyledon, and protoderm occurs at
14 wk. The embryo starts to derive nutrition from the endosperm at
this time, and germination of cultured ovules reached 56%. By 20 wk
the shoot apex had visible leaf primordia and the root apex was
clearly defined. The cotyledon was well developed and surrounded the
shoot tip. The storage of protein and starch was at its greatest in
the endosperm and embryo. Furthermore, 100% germination of cultured
ovules and embryos occurred at 20 wk and thereafter. Fully mature
embryos at 24 wk are green and contain protoxylem elements. "
I also tried searching the databases for information on morphological
changes in seeds in response to habitat pressures, but found nothing
ofr either jenmanii or Anthurium.
I did a search of the Google search engine for "Anthurium jenmanii"
and found several sites from botanical gardens and departments of
botany that discuss this plant. Of particular interest is the species
description by the Missouri Botanical Garden (MOBOT), listed below.
It appears from various taxonomic databases (including the
international plant names index - www.ipni.org) that the article by
Croat noted above is the type description for this species.
MOBOT: Anthurium jenmanii
http://www.mobot.org/MOBOT/research/araceae/jenman.html
This appears to be a well-known but little studied species of aroid
found in great quantities in Trinidad and Tobago (particularly the
island of Little Tobago). I'm sorry not to be able to provide
specific information on this species' germination or adaptation
patterns, but it appears that there isn't any "published", at least
not in standard places.
librariankt |
