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  2. Conifer cone - Wikipedia

    en.wikipedia.org/wiki/Conifer_cone

    Conifer cone. A mature female big-cone pine (Pinus coulteri) cone, the heaviest pine cone. A young female or seed cone on a Norway spruce (Picea abies) Immature male or pollen 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 ...

  3. Transparency (graphic) - Wikipedia

    en.wikipedia.org/wiki/Transparency_(graphic)

    Transparency (graphic) GIF animation of an Apollonian sphere packing with transparent background. Transparency in computer graphics is possible in a number of file formats. The term "transparency" is used in various ways by different people, but at its simplest there is "full transparency" i.e. something that is completely invisible.

  4. Longleaf pine - Wikipedia

    en.wikipedia.org/wiki/Longleaf_pine

    The longleaf pine (Pinus palustris) is a pine species native to the Southeastern United States, found along the coastal plain from East Texas to southern Virginia, extending into northern and central Florida. [3] In this area it is also known as "yellow pine" or "long leaf yellow pine", although it is properly just one out of a number of ...

  5. Western white pine - Wikipedia

    en.wikipedia.org/wiki/Western_white_pine

    Western white pine is a large tree, regularly growing to 30–50 metres (98–164 ft) tall. It is a member of the white pine group, Pinus subgenus Strobus, and like all members of that group, the leaves ('needles') are in fascicles (bundles) of five, [5] with a deciduous sheath. The needles are finely serrated, [5] and 5–13 cm (2–5 in) long.

  6. Bristlecone pine - Wikipedia

    en.wikipedia.org/wiki/Bristlecone_pine

    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 ...

  7. Knobcone pine - Wikipedia

    en.wikipedia.org/wiki/Knobcone_pine

    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.

  8. Chroma key - Wikipedia

    en.wikipedia.org/wiki/Chroma_key

    Chroma key compositing, or chroma keying, is a visual-effects and post-production technique for compositing (layering) two or more images or video streams together based on colour hues (chroma range). The technique has been used in many fields to remove a background from the subject of a photo or video – particularly the newscasting, motion ...

  9. Fontana della Pigna - Wikipedia

    en.wikipedia.org/wiki/Fontana_della_Pigna

    Coordinates: 41°54′23″N 12°27′16″E  /  41.90639°N 12.45444°E  / 41.90639; 12.45444. The Fontana della Pigna or simply Pigna ([ˈpiɲɲa], "pinecone") is a former Roman fountain which now decorates a vast niche in the wall of the Vatican facing the Cortile della Pigna, located in Vatican City, in Rome, Italy.