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On the coast, the knobcone pine may hybridize with bishop pine (Pinus muricata), and Monterey pine (Pinus radiata). In the western foothills of the Sierra Nevada, knobcone pine is often a co-dominant with blue oak (Quercus douglasii). [7] The species is susceptible to fire, but this melts the cone resin, releasing seeds for regrowth. [4]
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.
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 distinguishing characteristic is the reproductive structure known as a cone produced by all Pinales. All of the extant conifers, such as Araucaria , cedar , celery-pine , cypress , fir , juniper , kauri , larch , pine , redwood , spruce , and yew , are included here.
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Subfamily Pinoideae : cones are biennial, rarely triennial, with each year's scale-growth distinct, forming an umbo on each scale, the cone scale base is broad, concealing the seeds fully from abaxial (below the phloem vessels) view, the seed is without resin vesicles, the seed wing holds the seed in a pair of claws, leaves have primary ...
The Golden Pine Cone is a novel by Canadian author Catherine Anthony Clark. [1] [2] The main characters are siblings Bren and Lucy, who find a golden pine cone in the woods and go to the spirit world in order to give it to its rightful owner, Tekontha, ruling spirit of British Columbia, where it takes place. The Golden Pine Cone was Clark's ...
Barinae spp., [Gray 1] Setomorpha rutella, [Gray 2] Microlepidopteras, [Gres. 1] Cacatua galerita (the Sulphur-crested cockatoo) are pests of pine nut production in A. hunsteinii. C. galerita may cause half of the seed crop to be lost in a year, mostly by trying to eat cones that are not yet ready.