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The leaves are opposite, simple, ovate or oblong, 7.5 to 20 centimetres (3.0 to 7.9 in) long and 2.5 to 10 centimetres (0.98 to 3.94 in) broad, with a petiole 2 centimetres (0.79 in) long, and an entire margin; they are hairless above, and finely downy below, particularly along the veins, and turn yellow in fall.
Chionanthus pygmaeus is a rare species of flowering plant in the olive family known by the common name pygmy fringetree.It is endemic to Florida, where there are 46 known occurrences as of 2010. [5]
The acorns are very large, 2.5–5 cm (1–2 in) long and 2–4 cm (3 ⁄ 4 – 1 + 1 ⁄ 2 in) broad, having a large cup that wraps much of the way around the nut, with large overlapping scales and often a fringe at the edge of the cup. [3] The wood when sawn transversely shows the characteristic annual rings formed by secondary thickening.
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Non-native invasive species can disrupt ecosystems because they do not have natural predators, or other ecological checks-and-balances. Thus, with less competition from native species, non-native populations can explode. [9] Invasive insects and pathogens have eliminated entire tree species from forests of the United States in as little as decades.
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The leaves are usually 9 to 11 cm (3 + 1 ⁄ 2 to 4 + 1 ⁄ 4 in) long on a full-grown tree. The trunk diameter often ranges from 46 to 88 cm (18 to 35 in); depending on the growing conditions, however, open-grown trees can attain diameters of up to 153 cm (60 in).
By late 2018, 16 km (9.9 mi) of brushwood barriers along the coastline had been completed. [124] A concern over reforestation is that although it supports increases in mangrove area it may actually result in a decrease in global mangrove functionality and poor restoration processes may result in longer term depletion of the mangrove resource. [125]