POC Conf. Call 11-1-11

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POC meeting, Webex Conference Call; Date: Tuesday Nov 1st, 2011 10am (PDT)

In attendance:

POC members:

Absent:


Collaborators: none


Any changes or corrections (additions/deletions, etc) needed in the minutes from the POC_Conf._Call_10-18-11?

Back to POC Meetings Minutes


Old user requests on Source Forge

TraitNet requests

corm

proposed def: A short, enlarged stem in which the internodes do not elongate.

Comment: May serve as a storage and/or perennating organ. Usually underground.

child of stem (PO:0009047).

pneumatophore

definition from Beentje (2010): erect (breathing) root protruding above the soil, encountered especially in mangroves

proposed def: A lateral root that is erect and protrudes above the soil.

Comment: Pneumatophores are found in trees that live in flooded habitats such as mangroves. May provide oxygen to below ground roots growing in flooded soils.

is_a lateral root

tendril

Defintion from Beentje (2010): a slender, coiling structure derived from a branch, leaf or inflorescence and used for climbing.

tendrils can be (evolutionarily) derived from multiple types of structures. Suggest we make separate terms:

branch tendril (child of branch): A branch that is slender and coiling. Comment: Aids plant in climbing.

leaf tendril (child of leaf): A leaf that is slender and coiling and lacks a lamina. Comment: Aids plant in climbing.

leaflet tendril (child of leaflet): A leaflet that is slender and coiling and lacks a lamina. Comment: Aids plant in climbing.

leaf apex tendril (child of leaf apex): A leaf apex that is slender and coiling. Comment: Found at the apex of a leaf lamina, but the leaf apex tendril is not laminar. Aids plant in climbing.

Can add other types of tendrils if they come up or users need them.

This is the way we defined spine (no parent class spine, only leaf spine and stipule spine with is_a relations to leaf and stipule).


Alternative is to create a parent 'tendril'(is_a plant structure) with children that are part_of the other structures:

tendril: A plant structure that is slender and coiling. Comment: Aids plant in climbing.

branch tendril is_a tendril part_of branch

leaf tendril is_a tendril part_of leaf

leaflet tendril is_a leaf tendril part_of leaflet

leaf apex tendril is_a leaf tendril part_of leaf apex


The part_of relations are technically correct (not proper part), but I'm not sure it conveys the proper meaning.


also add petiole tendril and maybe root tendril. German: Ranke

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