Pinus cembra

Swiss stone species

PinaceaePinus

Swiss stone pine or arolla pine is a member of the pine or Pinaceae family and is native to southern Mexico and western Central America. It can grow up to 25 m tall.

  • It is in the white pine subgenus (Strobus), with needles in bundles of 5 and 5–9 cm long, stiff, dark green with a deciduous sheath. Branches generally are in yearly whorls.
  • Species is monoecious; seed cones are 4–8 cm long, ovoid, mounted on short stems, at the ends of branches; they are green-purple in first year, turning brown at maturity, cones taking 2 years to mature; male pollen cones are round, purple and on the tips of the branches.
  • Bark is gray-brown, darkening and becoming scaly and fissured with age. Shoots in their first year are covered with dense orange pubescence, in the second year turning brown to brown-black but remaining pubescent.