The bundle sheath, at 5/8 – 7/8 inches, is considered long. Think of these as “knee socks” compared to the “ankle socks” of other 2-needle pines. The purple structures in this image are young immature female cones. It is common for cones on pines to go through a brief purple/red color phase; it is not unique to red pine.
Karren Wcisel, TreeTopics.com
Image Creation Date
Pinaceae, tree, conifer, cone, needle, evergreen, Pinus resinosa, red pine