Pinus nigra, the Austrian pine or black pine, is a moderately variable species of pine, occurring across Southern Europe from the Iberian Peninsula to the eastern Mediterranean, on the Anatolian peninsula of Turkey, Corsica and Cyprus, as well as Crimea and in the high mountains of Northwest Africa. See more Pinus nigra is a large coniferous evergreen tree, growing to 20–55 metres (66–180 feet) high at maturity and spreading to 6 to 12 m (20 to 39 ft) wide. The bark is gray to yellow-brown, and is widely split by flaking fissures into scaly … See more Pinus nigra is a tree of the Mediterranean forests, woodlands, and scrub biome. The majority of the range is in Turkey. It is found in the higher elevations of the South Apennine mixed montane forests See more Lumber The timber of European black pine is similar to that of Scots pine (P. sylvestris) and red pine (P. resinosa), being moderately hard … See more The species is divided into two subspecies, each further subdivided into three varieties. Some authorities (e.g. Flora Europaea) … See more In Mediterranean Europe and the Anatolian Peninsula (Asia Minor), trees usually associated with this species include Scots pine (Pinus sylvestris), Serbian spruce (Picea omorika), See more • EUFORGEN species page: Pinus nigra. Information, distribution and related resources. See more WebNov 22, 2024 · The basic design of pine needles helps explain the trees’ competitive edge in dry climates. Their exceedingly narrow form reduces the surface area exposed to dehydration, and the waxy coating, or cuticle, outside the thick epidermis provides a barrier to water loss. The stomata – openings in leaves for gas exchange through which water …
Black pineleaf scale - University of Minnesota
WebBlack pineleaf scale Nuculaspis californica Order Hemiptera, Family Diaspididae; armored scales Native pest Host plants: Douglas-fir preferred, but most species of pine are susceptible. Description: Adult scales are convex, oval, 1.5 mm in diameter, and black with gray margins and a yellow central area. jerome novion
Aphids on Trees and Shrubs University of Maryland Extension
WebFeb 17, 2024 · Introduced from Japan, Japanese black pine trees ( Pinus thunbergii) tolerate sandy, salty soil and salt spray much better than native species. This makes it a valuable asset to coastal landscapes. If you’re … WebThis tree is native to central and southern Europe and is a member of the Pinaceae or pine family. The genus name, Pinus, is the Latin word for pine. The epithet, nigra, means black and references the bark. The Austrian … WebMar 31, 2024 · Gall. Dean Schoeppner. A symptom of a fungal or bacterial condition or infection by several insects, gall is an odd and sometimes unsightly growth that can be found on a tree. It can vary from 1/8-inch … jerome nriagu