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Often extreme winter weather sets in before fall pruned roses are fully winter hardy. The rose will likely suffer stem dieback to near ground level or the whole plant might not survive. Bottom ...
Viburnum opulus is a deciduous shrub growing to 4–5 m (13–16 ft) tall. The leaves are opposite, three-lobed, 5–10 cm (2–4 in) long and broad, with a rounded base and coarsely serrated margins; they are superficially similar to the leaves of some maples, most easily distinguished by their somewhat wrinkled surface with impressed leaf venation.
The tree sometimes reaches a height of 15 meters (50 feet). The venation of the leaves shows them to be technically pinnately five-lobed but with the two middle lobes larger than the other three. This makes the leaves appear palmately lobed at first glance, similar to many maple leaves. The epithet acerifolia means "maple-leaved." [5] [6]
The rosy maple moth (Dryocampa rubicunda) also lays its eggs on the leaves of maple trees, including Acer negundo. The larvae feed on the leaves, and in very dense populations can cause defoliation. [25] Small galls are formed on the leaves by a bladder mite, Aceria negundi.
Female rosy maple moths lay their eggs one day after fertilization. During those 24 hours, the eggs are protected inside the body of the female. Besides this, rosy maple moths exhibit little parental care, as the female leaves after depositing her eggs. Females typically lay around 150 to 200 eggs in groups of 10 to 40 on the underside of ...
The Norway maple is a member (and is the type species) of the section Platanoidea Pax, characterised by flattened, disc-shaped seeds and the shoots and leaves containing milky sap. Other related species in this section include Acer campestre (field maple), Acer cappadocicum (Cappadocian maple), Acer lobelii (Lobel's maple), and Acer truncatum ...
Acer campestre, known as the field maple, [2] is a flowering plant species in the family Sapindaceae. It is native to much of continental Europe , Britain, southwest Asia from Turkey to the Caucasus, and north Africa in the Atlas Mountains.
The leaves are broad and soft, 8–15 cm (3–6 in) long and 6–12 cm (2.5–4.5 in) broad, with three shallow forward-pointing lobes. [ 3 ] The fruit is a samara ; the seeds are about 27 mm (1.1 in) long and 11 mm (0.43 in) broad, with a wing angle of 145° and a conspicuously veined pedicel.