[Po-dev] Fruit cortex and fruit core

[Chih-Wei Tung]

Hi Peter,

Thank you for the quick answer. You mentioned Potter et al use Spjut's fruit
terms in Rosaceae, do you have that reference? I found one article " A
systematic Treatment of Fruit Types " by Richard Spjut from
http://www.worldbotanical.com/fruit_types.htm, is this the guide we can
follow?  I will check our library to see if they have Spjut's book too.

Thank you again,

Chih-Wei



On 8/23/07, Peter Stevens <peter.stevens at mobot.org> wrote:
>
> Oh dear, we venture into the swamp of rosaceous fruit terms!   If we
> are thinking of Rosaceae, the core of an apple is basically a fruit
> proper, i.e. the post fertilisation products of the gynoecium.  The
> cortex is probably hypanthial tissue, mesocarp refers to tissues of a
> true fruit, i.e., it has little to do with what we eat in an apple
> (but a great deal t do wit what we relish in raspberries or
> blackberries (which of course are not berries) and flesh can refer to
> anything fleshy irrespective of actual origin, including the flesh of
> a strawberry, which also is not a berry, but neither is it a "pome" -
> the fruit of an apple, rather, it has a lot of achenes distributed
> over the surface of an enlarged and fleshy receptacle. So the three
> terms that you mention  are not interchangeable, and the third
> (flesh) should not be usedin an ontology. The 'fruit skin peel' of
> the GDR database has nothing to do with the fruit s. str., but is the
> epidermis and maybe a few adjacent cells of the hypanthium.
>
> Note that in a recent paper Potter et al. use Spjut's fruit terms for
> fruits of Rosaceae, for which you will need Spjut as a guide...
>
> I hope this helps.
>
> P.
> On Aug 23, 2007, at 2:20 PM, Chih-Wei Tung wrote:
>
> > Hi, Rosaceae community,
> >
> > I have a question regarding to the fruit structure terminology
> > which are used in GDR database "genebank apple cDNA
> > library" (http://www.bioinfo.wsu.edu/gdr/projects/malus/unigeneV3/
> > malus_librarySummary.shtml).
> > Please help me to define or clarify the following terms, I will add
> > them either as new ontology terms or synonyms to the existing plant
> > ontology based on your answers
> >
> > fruit cortex -> is it the same as flesh or mesocarp? are these
> > three terms used interchangeable?
> > fruit core -> is this the tissue in the center of the fruit as seen
> > in http://www.uq.edu.au/_School_Science_Lessons/5.6FruitPome.GIF?
> > does it include seeds? what's the definition?
> > Currently Plant Ontology database has "fruit placenta: a more or
> > less localized region within a fruit to which seeds are attached",
> > can "fruit placenta" be a synonym to "fruit core"?
> >
> > Your opinion and comments are sincerely appreciated!
> >
> > Thank you,
> >
> > Chih-Wei Tung
> > Plant Ontology Consortium
> > Cornell University
> > Ithaca, NY
> > www.plantontology.org
> > _______________________________________________
> > Po-dev mailing list
> > Po-dev at plantontology.org
> > http://mail.plantontology.org/mailman/listinfo/po-dev
>
>
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