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When: 2016-03-25

Collection location: Walton Co., Georgia, USA [Click for map]

33.8687°N 83.6931°W 256m [Click for map]

Who: Joan Knapp (PucaK)

No specimen available

Notes: Galls on branches (9mage #1) and trunks (images #2, #3) of young Loblolly pines (Pinus taeda) appear as swollen ‘Fusiform’ or spindle-shaped areas up to six inches long. Bark has expanded with areas of orange (aecia) beneath. These orange bodies are hard until the spores mature, at which time the bodies rupture (image #1), releasing large quantities of orange aeciospores (image #5).
Trees are 6-7 years old, in an open field.


Ruptured aecium releasing spores; spore ‘dust’ visible at lower right of image
Aecium on Loblolly Pine branch.
Aecium on Loblolly Pine trunk
Aecium on Loblolly Pine trunk
Aeciospores, ca 30-35µ x 20-µ 25µ

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Add Comment
Very useful and helpful set of images, Joan.
By: Judi T. (AvidAmateur)
2016-03-26 13:00:33 CDT (-0400)

Well done!