Corsican pine is the common name of pinus laricio. The tree grows between one hundred and one hundred…
This shows the cluster of two leaves of the Gray Pine, Pinus divaricata, (Keeler, 1915).
This shows the cluster of two leaves, bright green, of the Jersey Pine, Pinus virginiana, (Keeler, 1915).
This shows the cluster of three, slightly twisted leaves of the Loblolly Pine, Pinus taeda, (Keeler,…
Also known as Pinus taeda. The pine cone of a Southeastern United States pine tree.
Also known as Pinus contorta. The pine cone of a Lodgepole Pine tree, commonly found in western North…
The common name of pinus bungeana is lace bark pine. The cones are very small.
The leaves of pinus contorta are bright green and small, from one to two inches long. The branches are…
The cones of pinus coulteri are very large, about twelve inches long and six inches in diameter. The…
The common name of pinus excelsa is Bhotan pine. The branches are regularly whorled. The tree grows…
Pictured is a branch of pinus longifolia with male catkins. The branches are irregularly and thinly…
The common name of pinus pinaster is cluster pine. The leaves are dark green, stiff, broad, and stout.…
Illustrated are young trees of pinus ponderosa. It is a useful tree in the Rocky Mountain region.
The cones of pinus pyrenaica are about two and a half inches long. The cones are slightly curved and…
"Radial longitudinal section of wood of Pinus Sylvestris. a, cambium; b, c, d, e, f, wood cells; f,…
This shows the cluster of three leaves of the Pitch Pine, Pinus rigida, (Keeler, 1915).
This shows the cluster of two leaves of the Red Pine, Pinus resinosa, (Keeler, 1915).
Stone pine and parasol pine are the common names of pinus pinea. The tree grows between fifty and sixty…
Swiss stone pine is the common name of pinus cembra. The leaves are marked with silver lines and are…
Table mountain pine is the common name of pinus pungens. The cones are rather large, top shaped, and…
Also known as Pinus pungens. The Table Mountain Pine is native to the Appalachian Mountains.
Also known as Pinus contorta, var. murrayana. The pine cone of a Tamarack Pine tree, native to the Cascade…
Also known as Pinus torreyana. The Torrey Pine is the rarest pine species in the United States, and…
Also known as Pinus monticola. A pine cone of the Western White Pine tree.
This shows the cluster of five leaves of the White Pine, Pinus strobus, (Keeler, 1915).
This shows the cluster of two leaves, sometimes three of four, of the Yellow Pine, Pinus echinata, (Keeler,…