[Po-dev] Fruit cortex and fruit core

[Chih-Wei Tung]

Peter,

No problem, I will keep your advise in mind, and thank you for  
sharing the information.

Chih-Wei

On Aug 24, 2007, at 10:08 AM, Peter Stevens wrote:

> Please, do not introduce these fruit terms further into the  
> literature!  Botany in burdened enough with such terms.  I find it  
> far better simply to describe the morphology of fruits (some terms  
> such as berry, achene, etc., are fine).  Thus people have used  
> anthocarp for things like morning glory fruits, but then  
> Dipterocarpaceae have anthocarps although they might be  
> pseudosamara acc. to Spjut (but then again, they might not).  And  
> blueberries are close to apples in morphology, so if apples are  
> pomes, then blueberries may be, too...  And Spjut's work, although  
> comprehensive, will need still further elaboration; maybe in the  
> book Stuppy and he are writing. I will have to ait in patience.  
> There is a reference to Potter et al. 2007 on /APweb/.
>
>
> On Aug 23, 2007, at 9:07 PM, Chih-Wei Tung wrote:
>
>> 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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