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Plants, trees and grass release pollen in the spring to fertilize other plants of the same species. The powdery particles drift in the air and are easily inhaled. In some people, inhaling pollen ...
Each is unique, but male trees produce more pollen and less flowers, which seems to be the preference when trying to keep tree litter to a minimum. This idea to keep streets clean leads to the ...
And blooming trees means pollen. Lots of it. According to pollen.com , the Midlands and Lowcountry have seen medium to medium-high levels of pollen in recent days.
Fraxinus americana, the white ash or American ash, is a fast-growing species of ash tree native to eastern and central North America. White ash trees are threatened by the invasive emerald ash borer .
Fraxinus ornus is a medium-sized deciduous tree growing to 15–25 m (49–82 ft) tall with a trunk up to 1 m diameter. The bark is dark grey, remaining smooth even on old trees. The buds are pale pinkish-brown to grey-brown, with a dense covering of short grey hairs.
Fraxinus velutina is a small deciduous tree growing to 10 m tall, with a trunk up to 30 cm diameter. The bark is rough gray-brown and fissured, and the shoots are velvety-downy. The leaves are 10–25 cm long, pinnately compound with five or seven (occasionally three) leaflets 4 cm or more long, with an entire or finely serrated margin.
There’s a reason tree pollen, in particular, is so prevalent. Most trees don’t have the built-in advantage of flowering plants that are fertilized by insects and other pollinators.
Fraxinus berlandieriana, the Mexican ash, is a tree native to eastern and northeastern Mexico and to the south-central United States. It has been reported from Tamaulipas , Veracruz , Texas , New Mexico , Oklahoma , Louisiana and Mississippi .
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