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How many needles are found in a soft pine bundle?

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Stone pine trees with rounded canopies stand amid low shrubs and flowering yellow bushes in Donana National Park, Huelva province, Andalusia, Spain. — pine A stand of stone pines (*Pinus pinea*) in Doñana National Park near Seville, Spain.

In the genus Pinus, soft pines (subgenus Haploxylon) typically have needles in bundles of five, though they may less commonly occur in bundles of one to four.1