Dogwoods and Pines
South Carolina, USA
Dogwoods are small deciduous trees native to South Carolina and are typically understory plants. Interestingly, these trees blossom in the spring with showy white flowers before growing their leaves. These flowers are actually bracts, which are modified or specialized leaves associated with a reproductive structure. Dogwoods need moist, well-drained, acidic soil and thrive in dappled light, so they are frequently seen growing in coastal pine barrens.
South Carolina's coastal pine forests, particularly those in the southern Atlantic Coastal Plain, are referred to as pine barrens. These ecosystems are characterized by sandy, well-drained soils, that are naturally nutrient-poor. They are known for the distinct plant and animal that are life adapted to these challenging conditions.
Despite being called "barren" by early settlers who considered the poor timber quality, this ecology supports a diverse understory of herbs, low shrubs, and grasses, in addition to pines. Historically they are maintained by frequent, low-intensity fires that prevent the establishment of other vegetation and promote the growth of fire-adapted pines. The sandy soils influence the hydrology of the region, with porous layers allowing water to move freely through them and feeding the groundwater aquifers that sustain the ecosystem.
Photo © copyright by Dr. Edward Mikol.
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