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Populus heterophylla, also known as downy poplar, [2] swamp poplar [2] and swamp cottonwood, [3] is a large deciduous poplar belonging to the Populus genus of the family Salicaceae. This species can grow on sites that have too much water for other native poplars. [ 4 ]
Leaf scorch (also called leaf burn, leaf wilt, and sun scorch) is a browning of plant tissues, including leaf margins and tips, and yellowing or darkening of veins which may lead to eventual wilting and abscission of the leaf.
Missouri: Flowering dogwood: Cornus florida: 1955 [33] Montana: Ponderosa pine: Pinus ponderosa: 1949 [34] Nebraska: Eastern cottonwood: Populus deltoides: 1972 [35] Nevada: Single-leaf pinyon: Pinus monophylla: 1959 [36] Great Basin bristlecone pine: Pinus longaeva: 1987 [36] New Hampshire: American white birch: Betula papyrifera: 1947 [37 ...
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A mature tree. Populus deltoides is a large tree growing to 20–30 m (65–100 ft) tall and with a trunk up to 2.8 m (9 ft 2 in) diameter, one of the largest North American hardwood trees. The bark is silvery-white, smooth or lightly fissured when young, becoming dark gray and deeply fissured on old trees. Bark of a mature tree
They are large, deciduous trees that are 15–30 m (50–100 ft) tall and diameters of 4 m (13 ft), [2] distinguished by thick, deeply fissured bark and triangular-based to diamond-shaped leaves that are green on both sides (without the whitish wax on the undersides) and without any obvious balsam scent in spring.
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Geobotanically, Missouri belongs to the North American Atlantic region, and spans all three floristic provinces that make up the region: the state transitions from the deciduous forest of the Appalachian province to the grasslands of the North American Prairies province in the west and northwest, and the northward extension of the Mississippi embayment places the bootheel in the Atlantic and ...