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In video games using procedural world generation, the map seed is a (relatively) short number or text string which is used to procedurally create the game world ("map"). "). This means that while the seed-unique generated map may be many megabytes in size (often generated incrementally and virtually unlimited in potential size), it is possible to reset to the unmodified map, or the unmodified ...
A seedling is a young sporophyte developing out of a plant embryo from a seed. Seedling development starts with germination of the seed. A typical young seedling consists of three main parts: the radicle (embryonic root), the hypocotyl (embryonic shoot ), and the cotyledons (seed leaves).
The pollen cones are cylinder-shaped with a yellow, brownish color, and are up to 1.8 inches long. Seed cones need two years to mature after pollination. In some cases, they will drop their seeds, but in most Pinus serotina, they will persist and hold their seeds. The color of the seed cones and seed scales is red-brown in color.
Seed leaves on seedlings are borne in a whorl of 4–24. Juvenile leaves, which follow immediately on seedlings and young plants, are 2–6 centimetres (3 ⁄ 4 – 2 + 1 ⁄ 4 inches) long, single, green or often blue-green, and arranged spirally on the shoot. These are produced for six months to five years, rarely longer.
The green to yellow-green leaves are needle-like, in bundles of three, 20–30 cm (8–12 in) long, [3] with finely toothed margins and often drooping. A characteristic of the species is the occurrence of epicormic shoots with single (not in threes) glaucous (bluish-green) juvenile leaves growing from the lower trunk, but in its natural area ...
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The Swiss pine 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, with a deciduous sheath. The mature size is typically between 25 metres (82 ft) and 35 metres (115 ft) in height, and the trunk diameter can be up to 1.5 metres (4.9 ft).
The cones are 10–18 cm (4–7 in) long and 9–11 cm (3 + 1 ⁄ 2 – 4 + 1 ⁄ 2 in) wide when open, with wrinkled, reflexed apophyses and an umbo curved inward at the base. The seeds ( pine nuts ) are 17–23 millimetres ( 5 ⁄ 8 – 7 ⁄ 8 in) long and 5–7 mm ( 3 ⁄ 16 – 1 ⁄ 4 in) broad, with a thin shell and a rudimentary wing.