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The leaves are opposite, simple, ovate, 6–13 cm (2.4–5.1 in) long and 4–6 cm (1.6–2.4 in) broad, with an apparently entire margin (actually very finely toothed, under a lens); they turn a rich red-brown in fall. Flowering dogwood attains its greatest size and growth potential in the Upper South, sometimes up to 40 feet in height.
Powdery mildew is a fungal disease that affects a wide range of plants. Powdery mildew diseases are caused by many different species of ascomycete fungi in the order Erysiphales. Powdery mildew is one of the easier plant diseases to identify, as the signs of the causal pathogen are quite distinctive. Infected plants display white powdery spots ...
Eventually, leaves infected with powdery mildew may turn yellow in color and proceed to die or fall off. In some cases, fungal growth causes leaves to twist or distort in shape. Specifically, powdery mildew functions by decreasing the fruit production of plants. The ascospores survive on leaf material and cause it to fall onto the ground.
That’s powdery mildew, a fungus that affects a wide range of fruits, vegetables and flowers, coating their leaves, stems, blossoms and, in severe cases, entire plants. It isn’t pretty. Some ...
Cornus obliqua is a medium to large shrub that typically grows to a height of 6 to 12 feet (1.8 to 3.7 meters) and has a similar spread. The plant is characterized by its slender, arching stems and oval-shaped leaves. The leaves are simple, opposite, and arranged in an alternate pattern on the stems. They are dark green in color and turn shades ...
Benth. Cornus glabrata is a species of dogwood native to California and Oregon and known by the common names brown dogwood, smooth dogwood, and western cornel. This is a large shrub or thicket-forming bush with bright green leaves which turn red in fall. It bears plentiful clusters of fuzzy white flowers and bluish-white berries.
The alternate-leaf dogwood is a shrub or small tree that has horizontal branches that form tiers. The branches are parallel to the ground creating a layered tiered look with upturned branches like a pagoda. This plant may grow from 15 to 25 feet tall and 20 to 32 feet wide. Its leaves are elliptic to ovate and grow to 2–5 inches (5–13 cm ...
Cornus. Cornus sessilis is a species of dogwood known by the common names blackfruit cornel, blackfruit dogwood, and miner's dogwood. This is a shrub or small tree which is endemic to northern California, where it grows along streambanks in the Cascades, Sierra Nevada, and the coastal mountain ranges. It is a tree of the redwood understory in ...