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The green pine needles give the twisted branches a bottle-brush appearance. The needles of the tree surround the branch to an extent of about one foot near the tip of the limb. [13] The name bristlecone pine refers to the dark purple female cones that bear incurved prickles on their surface. [5] [12] The dark color of these cones helps to ...
A dendrochronology, based on these trees and other bristlecone pine samples, extends back to about 9000 BC, albeit with a single gap of about 500 years. [20] [3] An older bristlecone pine was reportedly discovered by Tom Harlan in 2009, based on a sample core collected in 1957. According to Harlan, the tree was 5,062 years old and still living ...
pencil pine Cupressaceae (cypress family) Athrotaxis selaginoides: King Billy pine Cupressaceae (cypress family) Callitris: cypress-pines; Callitris columellaris: white cypress-pine; Murray River cypress-pine; northern cypress-pine Cupressaceae (cypress family) Callitris preissii: Rottnest Island cypress-pine Cupressaceae (cypress family ...
Cultivated pine forest in Vagamon, southern Western Ghats, Kerala, India Members of the family Pinaceae are trees (rarely shrubs ) growing from 2 to 100 metres (7 to 300 feet) tall, mostly evergreen (except the deciduous Larix and Pseudolarix ), resinous , monoecious , with subopposite or whorled branches, and spirally arranged, linear (needle ...
Pinus longaeva shares habitats with a number of other pine species, including the ponderosa pine, the white fir and, notably, the limber pine, a similarly long-lived high-elevation species. [4] The tree is a "vigorous" primary succession species, growing quickly on new open ground. [ 4 ]
A mature female big-cone pine (Pinus coulteri) cone, the heaviest pine cone A young female cone on a Norway spruce (Picea abies) Immature male cones of Swiss pine (Pinus cembra) A conifer cone, or in formal botanical usage a strobilus, pl.: strobili, is a seed-bearing organ on gymnosperm plants, especially in conifers and cycads.
Dendrolycopodium obscurum, synonym Lycopodium obscurum, commonly called rare clubmoss, [2] ground pine, [3] or princess pine, [4] is a North American species of clubmoss in the family Lycopodiaceae. [5] It is a close relative of other species such as D. dendroideum and D. hickeyi, also treelike.
P. balfouriana is a tree to 10–20 m (30–70 ft) tall, exceptionally 35 m (115 ft), with a trunk up to 2 m (7 ft) across. Its leaves are needle-like , in bundles of five (or sometimes four, in the southern Sierra ) with a semi-persistent basal sheath, and 2–4 cm (1– 1 + 1 ⁄ 2 in) long, deep glossy green on the outer face, and white on ...