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Pinus dalatensis, also known as Vietnamese white pine or Dalat pine, [1] is a species of pine endemic to Indochina.In Vietnam it grows in the mountains of the central and south-central parts of the country at elevations of 1,400 to 2,300 metres (4,600 to 7,500 ft).
A mature female big-cone pine (Pinus coulteri) cone, the heaviest pine cone A young female cone on a Norway spruce (Picea abies) Immature male 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.
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 ...
Mature Pinus pinea (stone pine); note umbrella-shaped canopy: Pollen cones of Pinus pinea (stone pine) A red pine (Pinus resinosa) with exposed roots: Young spring growth ("candles") on a loblolly pine: Monterey pine bark: Monterey pine cone on forest floor: Whitebark pine in the Sierra Nevada: Hartweg's pine forest in Mexico
A pine is any conifer tree or shrub in the genus Pinus (/ ˈ p aɪ n ə s /) [2] of the family Pinaceae. Pinus is the sole genus in the subfamily Pinoideae.. World Flora Online accepts 134 species-rank taxa (119 species and 15 nothospecies) of pines as current, with additional synonyms, [3] and Plants of the World Online 126 species-rank taxa (113 species and 13 nothospecies), [4] making it ...
The leaves are similar to those of the yew, strap-shaped, 1–4 cm long and 2–3 mm broad, with a soft texture; they are green above, and with two blue-green stomatal bands below. The seed cones are highly modified, reduced to a central stem 1–5 cm long bearing several scales; one to five scales are fertile, each bearing a single seed ...
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Pine cones may similarly be hoarded by red squirrels, and grizzly bears may help to disperse the seed by raiding squirrel caches. [ 90 ] The seeds of conifers, the largest group of gymnosperms, are enclosed in a cone and most species have seeds that are light and papery that can be blown considerable distances once free from the cone. [ 91 ]