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Tue Dec 4 23:17:22 CET 2001


hardy  Aroids)" <ARISAEMA-L at NIC.SURFNET.NL> Aroids)" <ARISAEMA-L at NIC.SURFNET.NL>
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From: Bonaventure Magrys <magrysbo at SHU.EDU>
Subject: triphyllum x consanguineum seed harvested
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This seedhead on an all female Arisaema triphyllum bloom (all of the spad=ix
was checked for errant stamens, none found) that was forced into late
summer growth (in August) by prolonged refridgeration, was made by pollen
from a male inflorescence of consanguineum 'Silver Center' (Seneca Hill
Nursery) in September. The consanguineum bloom was from offsets that went
dormant in spring due to a prolonged dry spell and having been started
indoors earlier in the year and then found it comfortable to come up in
late summer and bloom in September. No other triphyllums were in bloom at
that time, both cultivated or naturally occuring. Wild triphyllums, local=ly
in great abundance, bloom early to mid April around here and were just
starting to go dormant. They made it past the near total lack of rain all
of April just fine. The main consanguineum 'Silver Center' tuber had its
main shoot rot out, was dried out and replanted outside early in April
while the offsets were still in leaf at another location. Drought
conditions then prevailed as I had mentioned, and then this tuber too sen=t
out 3 or 4 stems apparently from the edges of the tuber at the same time =in
late summer also.  (Only now, after we've had some mild frosts followed b=y
very mild weather, has a serratum reappeared)! The oversupply of rain,
particularly one continuous week in August, also sent apparantly healthy
and robust Kaichen stock still in leaf to their death. Buried tubers that
went, or stayed dormant (except for consanguineums, triphyllums, and
several others) also turned to mush. Semi-exposed tubers and rhizomes, du=e
to the settling of the medium of the raised bed,  were unaffected (see my
posting 10/31/01 Re:Sand-Update).
Lets get back to what you've been all waiting for. A full seedhead seemed
to form on the trriphyllum and it and the growth holding it was relativel=y
unaffected by the mild frosts. It had just started turning orange and
drying out as the leaves died. The berries were half the normal size to
about halfway up the fruit from the bottom and from thereon diminished to
no apparent growth near the top. A solid seedlike structure could be felt
at the base of each berry to about 3/4 of the way up the fruit. I cut out
all that I could, more than 3 dozen, and they look like smaller versions =of
seed, sort of like the jacquemontii seed from seedex, but those never gre=w
for me. There was very little pulp and the skins came off easily except a=t
the bases. They are now soaking in water.
Bonaventure Magrys



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