Habit
Tree
Family Description
Monoecious, ocasionally dioecious, evergreen or deciduous trees. Leaves linear, sometimes needle-like, borne singly or in clusters on short shoots. Male cones short-lived, ovoid or globose, consisting of scales, each bearing 2 pollensacs on the lower surface. Female cones with 2 ovules on the upper surface of their ovulliferous scales; scales becoming enlarged, woody and spreading at maturity, sometimes with bracts exserted between them. Seeds bearing an ovate-oblong, Membranous wing.
Genus Description
Evergreen trees. Leaves linear, flattened, spirally arranged, borne singly on prominent pig-like persistent bases. Male cones ovoid, drooping. Female cones terminal, pendulous, cylindric; ovuliferous scales thinly woody; bract scales not exserted; Scales persistent.
Species description
Very similar to P. spinulosa but leaves strongly glaucous- white beneath; female cones scales rhombic, with bluntly triangular, undulate-striate apex.