SUBGENUS STROBUS
Subgenus Strobus
Scale without a sealing band.
Umbo terminal.
Seedwings adnate.
One fibrovascular bundle per leaf.
The defining morphology:
Cone scales with a terminal umbo and no sealing band.
Adnate (firmly attached) seedwings.
One fibrovascular bundle per leaf. Resin canals in the outer part of the leaf;
leaves in clusters of 5; leaves in fascicles of 5; leaf sheaths soon deciduous;
leaf stomata usually confined to the inner surfaces, creating two macroscopic narrow white lines on the inner leaf surfaces;
Leaves leaving a smooth bass on the branch after the leaves are shed;
Bark is generally smooth, becoming rough only at an older age.
Shoots uninodal (producing only one whorl of branches per year).
Wood is white and soft
Section Quinquefoliae (a.k.a. section Strobus) White Pines
Subsection Strobus
Subsection Strobi:
North America, Central America, Europe and Asia
P. amamiana - Yakushima White Pine
P. armandii - Chinese White Pine
P. ayacahuite - Mexican White Pine
P. bhutanica - Bhutan White Pine
P. chiapensis - Chiapas White Pine
P. dabeshanensis - Dabieshan Pine
P. dalatensis - Vietnamese White Pine
P. fenzeliana - Hainan White Pine
P. flexilis - Limber Pine
P. lambertiana - Sugar Pine
species LAMBERTIANA
species LAMBERTIANA
SUGAR PINE
P. morrisonicola - Taiwan White Pine
P. monticola - Western White Pine
P. parviflora - Japanese White Pine
P. peuce - Macedonian Pine
P. pumila - Siberian Dwarf Pine
P. reflexa - Southwestern White Pine
P. strobiformis - Chihuahua White Pine
P. strobus - Eastern White Pine
P. wallichiana - Blue Pine
P. wangii - Guangdong White Pine
species Strobus
species Strobus
Eastern White PINE
Subsection Cembrae:
Europe, northern Asia, western North America
P. albicaulis - Whitebark Pine
P. cembra - Swiss Pine
P. koraiensis - Korean Pine
P. sibirica - Siberian Pine
Subsection Krempfianae
KREMPFII
Subsection Gerardianae
BUNGEANA
GERARDIANA
SQUAMATA
section Parrya
subsection Cembroides
DISCOLOR
CULMINICOLA
JOHANNIS
REMOTA
CEMBROIDES
MONOPHYLLA
MAximarTINEZII
PINCEANA
EDULIS
RZEDOWSKII
Subsection Balfourianae
BALFOURIANA
ARISTATA
LONGAEVA
SUBSECTION NELSONIAE
NELSONII
