Ponderosa pine (Pinus ponderosa) is a large evergreen conifer native to western North America, its inner bark and seed edible and traditionally used as a condiment and chewing gum.1

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  1. Pinus ponderosa | Plants for a Future ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7 ↩8 ↩9 ↩10 ↩11 ↩12 ↩13 ↩14

  2. Leaf burn times of California native plants, Las Pilitas Nursery, 2005 propane-torch ignition trial, live-leaf ignition time >60 seconds ↩