Gymnosperm Wood Generic Comparison
Pinaceae
I. Pinus  (Pine)*
        A. Color
.               1. Reddish-brown- Soft Pines
                2. Yellowish-golden-reddish-brown - Hard Pines
        B. Texture
                1. Smooth-Intermediate
        C. Figure
                1. Even/uneven- Soft Pines
                2. Uneven - Hard Pines
        D. Macroscopic Ray Visibility
                1. Obscure
        E. Hardness
                1. Soft - Soft Pines
                2. Hard - Hard Pines
        F. Density
                1. Light - Soft Pines
                2. Heavy - Hard Pines
        G. Spring to Summer Wood Transition
                1. Gradual - Soft Pines
                2. Abrupt - Hard Pines
        H. Pit arrangement
                1. Uniseriate
                2. Some opposite - Hard Pines
        I. Ray Tracheids
                1. Smooth - Soft Pines
                2. Dentate (Medium or Reticulate)- Hard Pines
        J. Cross field Pits
                1. 1-3 Large or 1-6 Pinoid- Soft Pines
                2. 1-6 Pinoid - Hard Pines
        K. Resin Canals
                1. Thin epithelial cell walls
        L. Resinous odor