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Gray pine cone, pine nuts, and resin. Photographed at Regional Parks Botanic Garden located in Tilden Regional Park near Berkeley, CA. Date: 1 November 2016, 12:36: Source: J20161101-0079—Gray pine cone, pine nuts, and resin—RPBG: Author: John Rusk from Berkeley, CA, United States of America
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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.
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Coulter pine (Pinus coulteri), or big-cone pine, is a conifer in the genus Pinus of the family Pinaceae.Coulter pine is an evergreen conifer that lives up to 100 years. [2] It is a native of the coastal mountains of Southern California in the United States and northern Baja California in Mexico, occurring in mediterranean climates, where winter rains are infrequent and summers are dry with ...
Table Mountain pine typically has long, thick limbs on much of the trunk even in closed canopy stands. [7] Male cones are 1.5 centimetres (0.59 in) long. Female cones are sessile and range from 4.2 to 10 centimetres (1.7 to 3.9 in) long. [7] Cone scales are tough and armed with broad, upwardly curving spines. [6]
Pollination occurs early the following spring, with the male cones 3–8 cm (1 + 1 ⁄ 4 – 3 + 1 ⁄ 4 in) long. The female (seed) cones mature in about 20 months from pollination; when mature, they are yellow-brown in color, 15–25 cm (6– 9 + 3 ⁄ 4 in) long, and 5–7 cm (2– 2 + 3 ⁄ 4 in) broad, opening to 12 cm ( 4 + 3 ⁄ 4 in ...