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The members of the pine family (pines, spruces, firs, cedars, larches, etc.) have cones that are imbricate (that is, with scales overlapping each other like fish scales).). These cones, especially the woody female cones, are considered the "archetypal" tree cones.The female cone has two types of scale: the bract scales, and the seed scales (or ovuliferous scales), one subtended by each bract ...
Coulter pine (Pinus coulteri), or big-cone pine, is a conifer in the genus Pinus of the family Pinaceae. Coulter pine is a native evergreen conifer that lives up to 100 years of age. [2] Coulter pine occurs in a mediterranean climate. Winter rains are infrequent, and the summer is dry with occasional summer thunderstorms. [3]
P. attenuata. Binomial name. Pinus attenuata. Lemmon. The knobcone pine, Pinus attenuata (also called Pinus tuberculata), [2] is a tree that grows in mild climates on poor soils. It ranges from the mountains of southern Oregon to Baja California with the greatest concentration in northern California and the Oregon-California border.
Description. Close-up view of Fraser fir foliage. Abies fraseri is a small evergreen coniferous tree typically growing between 30 and 50 ft (10 and 20 m) tall, but rarely to 80 ft (20 m), with a trunk diameter of 16–20 in (41–51 cm), but rarely 30 in (80 cm). The crown is conical, with straight branches either horizontal or angled upward at ...
The stone pine, botanical name Pinus pinea, also known as the Italian stone pine, Mediterranean stone pine, umbrella pine and parasol pine, is a tree from the pine family (Pinaceae). The tree is native to the Mediterranean region, occurring in Southern Europe and the Levant. The species was introduced into North Africa millennia ago, and is ...
The term bristlecone pine covers three species of pine tree (family Pinaceae, genus Pinus, subsection Balfourianae). All three species are long-lived and highly resilient to harsh weather and bad soils. One of the three species, Pinus longaeva, is among the longest-lived life forms on Earth. The oldest of this species is more than 4,800 years ...
A Glacier Peak Institute employee slices a pine cone in half exposing the seeds inside. Workers will randomly select several cones to determine how many seeds are in each cone on average, and the ...
Fully grown, Atlas cedar is a large coniferous evergreen tree, 30 to 35 m (98 to 115 ft) (rarely 40 m) tall, with a trunk diameter of 1.5 to 2 m (4.9 to 6.6 ft). It is very similar in all characters to the other varieties of Lebanon cedar; differences are hard to discern. The mean cone size tends to be somewhat smaller (although recorded to 12 ...