return to: Conifer Diversity,
Key to Conifers
Pinus - Pine
Trees; needle leaves in fascles of 2, 3, or 5, enclosed
at the base by a thin, papery sheath; ovules and ovulate cones
require at least two years to reach maturity as seeds and seed
cones.
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Pinus armandii - nearly mature second-year seed
cone
(photographed at Arboretum, Madison, Wisconsin)
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Pinus nigra 'Oregon Green' - dry (empty) pollen
strobili
(photographed at Lewis Ginter Botanical Garden, Richmond,
Virginia)
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Pinus nigra 'Oregon Green' - ovulate cones shortly
after pollination stage
(photographed at Lewis Ginter Botanical Garden, Richmond,
Virginia)
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Pinus taeda - Loblolly Pine - pollen strobili
(photographed at University of Richmond, Virginia)
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