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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 conifers and cycads. They are also called, according to the relevant genus, cypress cone ...
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The female cone then opens, releasing the seeds which grow to a young seedling. To fertilize the ovum, the male cone releases pollen that is carried in the wind to the female cone. This is pollination. (Male and female cones usually occur on the same plant.) The pollen fertilizes the female gamete (located in the female cone).
A strobilus (pl.: strobili) is a structure present on many land plant species consisting of sporangia -bearing structures densely aggregated along a stem. Strobili are often called cones, but some botanists restrict the use of the term cone to the woody seed strobili of conifers. Strobili are characterized by a central axis (anatomically a stem ...
The female cones are large and usually woody, 2–60 centimetres (1–24 inches) long, with numerous spirally arranged scales, and two winged seeds on each scale. The male cones are small, 0.5–6 cm (1 ⁄ 4 – 2 + 1 ⁄ 4 in) long, and fall soon after pollination; pollen dispersal is by wind. Seed dispersal is mostly by wind, but some ...
Pinus radiata female (ovulate) cone. Pines are monoecious, having the male and female cones on the same tree. [14]: 205 The male cones are small, typically 1–5 cm long, and only present for a short period (usually in spring, though autumn in a few pines), falling as soon as they have shed their pollen.
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 ...
Araucaria araucana, commonly called the monkey puzzle tree, monkey tail tree, piñonero, pewen or Chilean pine, is an evergreen tree growing to a trunk diameter of 1–1.5 m (3.3–4.9 ft) and a height of 30–40 m (98–131 ft). It is native to central and southern Chile and western Argentina. [3] It is the hardiest species in the conifer ...
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