What are the different types of pine trees?
Pine trees can be divided into three subgenera;#N#Pinus Subgenus Pinus; the yellow or hard pine tree groups.#N#Pinus Subgenus Strobus; the white or soft pine tree groups.#N#Pinus Subgenus Ducampopinus; the Foxtail or Pinyon tree groups. 1 Pinus Subgenus Pinus; the yellow or hard pine tree groups. 2 Pinus Subgenus Strobus; the white or soft pine tree groups. 3 Pinus Subgenus Ducampopinus; the Foxtail or Pinyon tree groups.
What type of tree has needles and cones?
Photo of a Pine Tree. Picture of Pine needles and Pine cones. Pine trees are all evergreens and possess needles as leaves and cones as part of their reproductive system. All pines are resinous Coniferous trees. Some Pine species grow as shrubs instead of trees.
How many subgenera are there in pine trees?
Pine trees can be divided into three subgenera; Pinus Subgenus Pinus; the yellow or hard pine tree groups. Pinus Subgenus Strobus; the white or soft pine tree groups. Pinus Subgenus Ducampopinus; the Foxtail or Pinyon tree groups. Number of Taxa in the Pinus Genus = 121.
Do pine trees have flaky bark?
Some Pine tree species have a thin flaky bark, when on close observation chunks of bark can be seen just hanging on or flaking off. List of all Pine Trees, Pinus Genus - All known species, taxa types, organized by scientific Latin botanical name first and common names second. Botanical Tree Name.
What are the new shoots on a pine tree called?
On Pine trees, the new shoots of branches are sometimes called "candles". The "Candles" consist of a bud scale either brown or cream color, pyramidal in shape pointing upwards, covering a wad of new needles surrounding the branch bud. The bud scale eventually falls off and the needles spread outward.
How are pine trees produced?
Pine tree branches are produced during upward growth of the main steam shoot, braches appearing in regular "pseudo whorls", (a very tight spiral but appearing like a set of branches all branching out from the same height on the main trunk).
What is the scientific name for a pine tree?
Pinus. If you Google what the scientific name for a pine tree actually is, you’ll be greeted with the answer Pinus Sylvestris, or just Pinus for short. Whilst it’s spelt a little differently, social media users are linking it to the word ‘penis’ in a childishly hilarious joke.
Is the evergreen tree a meme?
No, everyone isn’t weirdly obsessed with the tall evergreen tree, it’s actually a viral meme. The meme asks you to Google what a pine tree’s scientific name is, and it’s taken over social media.
What are pine seeds?
Edible pine seeds, which are sold commercially as pine nuts, piñons, or pinyons, are produced by several species. Many pines are cultivated as ornamentals, including black, white, Himalayan, and stone pines, and some are planted in reforestation projects or for windbreaks. Pine-leaf oil, used medicinally, is a distillation product of the leaves;
How many types of branches does a pine tree have?
Pines have two types of branches, long shoots and short shoots, and three types of leaves, primordial, scale, and adult. Seedling plants bear the lance-shaped spirally arranged primordial leaves. The triangular scale leaves, also lance-shaped, are borne on the long shoots of older trees. Both long and short shoots develop in the axils ...
Where are pine trees native to?
Pine, (genus Pinus ), genus of about 120 species of evergreen conifers of the pine family ( Pinaceae ), distributed throughout the world but native primarily to northern temperate regions. The chief economic value of pines is in the construction and paper -products industries, but they are also sources of turpentine, rosin, oils, and wood tars.
Is pine a hard wood?
Pines are softwoods, but commercially they may be designated as soft pines or hard pines. Soft pines, such as white, sugar, and piñon pines, have relatively soft timber, needles in bundles of five (less commonly, one to four), stalked cones with scales lacking prickles, and little resin. Their wood is close-grained, with thin, ...
What type of wood is used in loblolly pines?
Their wood is close-grained, with thin, nearly white sapwood; the sheaths of the leaf clusters are deciduous, and the leaves contain a single fibrovascular bundle. Hard pines, such as Scotch, Corsican, and loblolly pines, have relatively hard timber, needles in bundles of two or three (rarely, five to eight), cone scales with prickles, ...
How long do deciduous scale leaves last?
The needlelike photosynthetic adult leaves, with two or more resin canals, are borne in fascicles (bundles) of two to five (rarely, up to eight or solitary) at the tip of each short shoot; they remain on the tree 2 to 17 years.
When do pollen sacs release pollen?
In spring or early summer the pollen sacs release pollen through longitudinal slits; each grain has two air bladders for wind dispersal. The scales on the female cones open to receive the pollen and then close; actual fertilization takes place late the following spring.
