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  Anthurium fruiting
From: "Derek Burch" derek at horticulturist.com> on 2005.12.26 at 15:09:35(13657)
One of my large birdsnest anthuriums that has not fruited before is now
giving me a beautiful mass of bright scarlet fruit. I am curious about a
phenomenon which I have seen before on other big birdsnest species, that is
that as the fruits ripen they sooner or later pop out of the matrix of the
spadix and hang on a short thread. How widespread is this through the genus?
The shape of the fruit (like a candycorn) makes it very poppable, and the
almost random ripening of the fruits dotted all over the spadix also makes
the popping more likely as the remaining fruit around any given one swell.

I don't really have questions about this, apart from wondering how
widespread it is, and also why the fruits reach maturity with no apparent
pattern and over such an extended period, but would welcome anyone's
observations or comments.

Idle thoughts for an idle day. Best wishes to everyone.


From: "Denis Rotolante" denis at skg.com> on 2005.12.27 at 21:19:27(13659)
No apparent pattern? Try counting the number of seed per berry, the
relative size of seeds in each berry and whether the has fruit has seed
or just chaff. These factors can vary between fruits on same
infructescence. It may not be as random as you think. Something is
obviously controlling the ripening hormones in each fruit/berry. Some of
the pattern may be random but not all of the ripening.


From: Thomas.Croat at mobot.org on 2005.12.28 at 22:10:23(13660)
Title: RE: [Aroid-l] Anthurium fruiting

Dear Derek:

I believe what you are seeing is pretty universal. The inner surface of the tepals have a strip of tissue that is capable of being ripped off and this is firmly attached to the base of the berries, allowing the berries to be nicely displayed after they emerge. I suspect that this has evolved to allow for easy dispersal by birds, surely the principal dispersal agent for Anthurium according to my observations and those of Betty Loiselle who works works with bird pollination (UMSL). I have seen species where the fruits emerge and don't hang down but I suspect that if you tugged on them slowly they might also become loosened in the same way.


From: aroideae at aol.com on 2005.12.29 at 17:18:58(13661)
this filament of tissue on excerted berries has always been quite sticky in the Anthurium i've dealt with. maybe it's that way so the berry sticks to a bird's beak....or my fingers.

Dear Derek:

From: Thomas.Croat at mobot.org on 2005.12.30 at 20:04:30(13662)
You may be correct. I have never actually handled the little filaments because
they are so tiny but the berries are almost universally equipped with a VERY
stick mucilage on the seeds themselves which can stick to anything. I
sometimes have to lick them off my fingers and spit them out to get them onto a
piece of paper. These appendages are quite variable, sometimes on both
ends, sometimes only on one end and sometimes the entire seed is enclosed in a
mucilaginous sack. The Mexican species that I know tend to have a pasty
mesocarp and lack the sticky appendages as I recall, then Mexican species
differ in every way from the rest of the genus.


From: HUDSONSBIRDS at webtv.net on 2006.04.04 at 21:54:11(14052)
Is it agreed as to which aroid plant has the LARGEST LEAVES???

Aroid-l mailing list

From: Wrig14 at aol.com on 2006.04.05 at 16:44:04(14059)
In a message dated 4/5/2006 11:00:16 A.M. Central Standard Time,
HUDSONSBIRDS@webtv.net writes:

From: "Abrimaal" abrimaal at wp.pl> on 2006.04.05 at 18:31:07(14061)

I think Alocasia robusta has the largest simple leaves, and the largest
composite (or dracontioid??) leaf belongs to Amorphophallus titanum.


From: "Denis Rotolante" denis at skg.com> on 2006.04.06 at 13:31:49(14065)
Title: Message

Can We Please quantify our standard of
measurement for this award as the largest Anthurium.
Are we talking total mass
or linear measurement of individual leaf
or total square surface area of individual
or total square surface area of all the
leaves on the plant?
Just how do you measure an anthurium or any
aroid for that matter?


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