Re: Rootstocks for roses
- To: propagation@mallorn.com
- Subject: Re: Rootstocks for roses
- From: "* J* R* <l*@hevanet.com>
- Date: Mon, 07 Jun 1999 09:11:44 -0700
It means that there is a central leaf stem with a row of leaflets on either
side of it. The whole structure is a single true leaf. It is called
pinnately compound because the arrangement is like the way the side
filaments are lined up on the central shaft of a feather (from the word
pinna, meaning feather). Black walnuts are another plant with pinnately
compound leaves. There are also palmately compound leaves, in which the
leaflets are all attached to a central point at the end of the leaf stem,
like the way the fingers of your hand are attached to your palm, radiating
out from it.
End of lecture.
----------
>From: bhayes@catskill.net (Isabelle Hayes)
>To: propagation@mallorn.com
>Subject: Re: Rootstocks for roses
>Date: Mon, Jun 7, 1999, 7:06 AM
>
>Thanks so much for the information;
>
>now please advise what does a "pinnately compound leaf" look like?
>
>TIA
>
>Isabelle Hayes
>
>>If the shoots are the rootstock, the two most common stocks are Rosa
>>multiflora (yes THAT species that has become such a weed in the eastern
>>U.S.) which will be obvious by the pinnately compound leaves, or an old
>>shrub type, "Dr. Huey", which is a once-blooming double, dark red rose.
>
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