Pinus greggii, or Gregg's pine, is a small to medium high pine tree native to eastern Mexico, found in two distinct regions. It has an open crown and long and slender branches. The needles are in bundles of three with an average length of 11 cm. The cones are clustered in groups of 5 – 10. The branches en upper trunk is smooth. Pinus greggii is introduced in several countries.
The species was described by George Engelmann in 1868Two varieties are found in literature:
Pinus greggii Engelm. ex Parl. ...
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