how do Trachycarpus spears grow?

redsquirrel · Post by **redsquirrel** » Mon Jul 25, 2011 9:42 pm

thats something else i learned this week.often wondered why the 'pseudo' bit was added

cordyman · Post by **cordyman** » Mon Jul 25, 2011 9:53 pm

redsquirrel wrote:i read it as this.ive marked the lowest live petioles on this plant so assume the growing point would be around this area if turtiles info is correct. makes good sense to me,anyone else concur??

So in this example if you were to cut off the lower fronds as many people do, thereby removing the lowest live petioles - you heighten the growing point? Thus creating a taller growing plant as it pushes the growing point further up / but giving a shallower growing point for spear production?

redsquirrel · Post by **redsquirrel** » Mon Jul 25, 2011 9:59 pm

dont think so,if i cut off the lower ones,i will just have less leaves. they die off and go brown of their own accord. id have thought you would get more growth from more leaves,better photosynthesis and all that stuff

cordyman · Post by **cordyman** » Mon Jul 25, 2011 10:01 pm

Ah so in your pic is the lowest live petioles the "lowest moving spear"?

DiCasS · Post by **DiCasS** » Mon Jul 25, 2011 10:01 pm

kata wrote:I think its a stem,

I just saw a frog sat on a leaf, file is names 'frog holding on petiole' - stock photo.

Here is a drawing of a petiole, why don't they just say stem...lmaooooooooooo

http://lt.wikipedia.org/wiki/Vaizdas:Pe ... PSF%29.png

Got there in the end Kata - petiole is the stalk.

Cheers Simon

Di

jimhardy · Post by **jimhardy** » Mon Jul 25, 2011 11:26 pm

Q.Whats between the trunk and the leaf?

A.Petiole

I have cut a Trachycarpus(because of rot/spear-pull)within a few
inches of the ground,heres the goods.

My Fortunei 11-23-09 before protection went up.

All was well.............

In trouble!

Circular portion in the middle are the leaves or bud
the half circular portions on the outside of it represent petiole
as you will see.

kata · Post by **kata** » Tue Jul 26, 2011 7:14 am

Nice recovery Jim

Many thanks Di, Simon, and RedS for the artwork

on petiole query.

This is why on bananas it is known as a pseudostem. It is not realy a stem because the supporting structure is actually made of long petioles that connect directly to the corm.

So now we got explanation for Petiole,and Pseudostem. I need to save this thread.

All I need now is explanation off Dave for Pseudostream

jimhardy · Post by **jimhardy** » Tue Jul 26, 2011 4:57 pm

Our warm summers really helped put this one right.

We also had a very warm spring followed by a stretch
(beginning mid May)of 70+ /80F or warmer days and
60" of rain May-Sept.

Tom2006 · Post by **Tom2006** » Tue Jul 26, 2011 5:00 pm

Superb recovery!

how do Trachycarpus spears grow?

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