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Pinus mugo subsp. uncinata — in the west and north of the range (from the Pyrenees northeast to Poland), a larger, usually single-stemmed tree to 20 m (66 ft) tall with glossy-textured asymmetrical cones, the scales of which are much thicker on the upper side.
Dwarf mountain pine may refer to: Pinus mugo , also called creeping pine, a conifer native to high elevation habitats in Europe. Pherosphaera fitzgeraldii , also called Blue Mountains pine, is a critically endangered conifer species found only in New South Wales, Australia.
Tools. Tools. move to sidebar hide. Actions Read; Edit; View history; ... Mountain pine (Pinus mugo) is a species of pine tree. Mountain pine can also refer to: Botany.
Pine seedlings being bred to resist white pine blister rust by the US Forest Service Cronartium ribicola is a heteroecious, macrocyclic pathogen on Pinus spp and Ribes spp. [ 7 ] Because young pines are smaller and less developed than mature trees, they are most susceptible to the pathogen.
In general, this classification emphasized cone, cone scale, seed, and leaf fascicle and sheath morphology, and species in each subsection were usually recognizable by their general appearance. Pines with one fibrovascular bundle per leaf, (the former subgenera Strobus and Ducampopinus ) were known as haploxylon pines , while pines with two ...
The cones are borne on a short stem, and have two to four scales, usually only one (sometimes two) fertile, each fertile scale bearing a single apical seed 10–15 mm. When mature, the scales swell up and become reddish purple, fleshy, and berry -like, 10–20 mm long; they are then eaten by birds , which disperse the seeds in their droppings.
Pinus albicaulis is the only type of tree on the summit of Pywiack Dome in Yosemite National Park. Pinus albicaulis, known by the common names whitebark pine, white bark pine, white pine, pitch pine, scrub pine, and creeping pine, [4] is a conifer tree native to the mountains of the western United States and Canada, specifically subalpine areas of the Sierra Nevada, Cascade Range, Pacific ...
Pine-pine gall rust, also known as western gall rust, is a fungal disease of pine trees. It is caused by Endocronartium harknessii (asexual name is Peridermium harknessii ), an autoecious , endocyclic , rust fungus that grows in the vascular cambium of the host. [ 1 ]