You can use the pkg list -s command to show the package summary.
$ pkg list -s entire NAME (PUBLISHER) SUMMARY entire Incorporation to lock all system packages to the same build
The pkg list -v command lists the full package FMRI.
$ pkg list -v entire FMRI IFO pkg://solaris/entire@0.5.11,5.11-0.175.2.0.0.34.0:20140303T182643Z ---
The pkg info command displays more information.
$ pkg info entire
Name: entire
Summary: Incorporation to lock all system packages to the same build
Description: This package constrains system package versions to the same
build. WARNING: Proper system update and correct package
selection depend on the presence of this incorporation.
Removing this package will result in an unsupported system.
Category: Meta Packages/Incorporations
State: Installed
Publisher: solaris
Version: 0.5.11
Branch: 0.175.2.0.0.34.0
Packaging Date: March 3, 2014 06:26:43 PM
Size: 5.46 kB
FMRI: pkg://solaris/entire@0.5.11-0.175.2.0.0.34.0:20140303T182643Z
As shown in Renamed and Obsolete Packages, you can use the pkg info command to find the new name of a renamed package.