Release 19

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New Release: December 2012

Summary-Announcement

Highlights: See also:

The latest release of the Plant Ontology, version #19, is available on our Plant Ontology Browser.

This full release features the addition of 35 new terms, for both the Plant Anatomical Entity (20) and Plant Structure Development Stage (15) branches. It also includes It also includes new and updated annotation data for Oryza sativa, Vitis vinifera, Gossypium hirsutum and Arabidopsis thaliana.

This release also includes a new feature: Japanese translations displayed on the browser for the Plant Anatomical Entity terms.

The release features revision to the following sections:


Revisions to the plant anatomical entity branch

of the PO include the following:

  • A new parent term for all types of tubers (PO:0025522), both those derived from branches; shoot axis tuber (PO:0004543), and those that arise from roots; tuberous root tubers (new term; PO:0025476).

Data associated with tubers from crop plants such as found in Cassava (Manihot esculenta) or sweet potato (Ipomoea batatas), should be annotated to the new term tuberous root tuber (PO:0025476), while that associated with tubers from branches (PO:0025073), as found in potatoes and yams (Dioscorea spp.). Use the term shoot axis tuber (PO:0004543), aerial tuber (PO:0004548), or subterranean tuber (PO:0004547) for tubers derived from branches.

  • spermatogenous cells

Revisions to the Plant Structure Development Stage branch

includes new sections encompassing:

  • whole plant fruit development stage (PO:0025500)


  • shoot system development stage (PO:0025527)


For more information and to view a summary of the release statistics, please visit: Current Release Notes Page.


New or expanded Annotation Files

  • Gossypium hirsutum cotton- AgBase