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Cornus nuttallii, the Pacific dogwood, [1] [2] western dogwood, [3] or mountain dogwood, [2] is a species of dogwood tree native to western North America. The tree's name used by Hul'q'umi'num' -speaking nations is Kwi’txulhp .
Foliage during autumn Dogwood trees in Nagano, Japan. Cornus florida is easily propagated by seeds, which are sown in the fall into prepared rows of sawdust or sand, and emerge in the spring. Germination rates for good clean seed should be near 100% if seed dormancy is first overcome by cold stratification treatments for 90 to 120 days at 4 °C ...
Cornus. In species such as this Cornus × unalaschkensis, the tiny four-petaled flowers are clustered in a tightly packed, flattened cyme at the center of four showy white petal-like bracts. Cornus is a genus of about 30–60 species [Note 1] of woody plants in the family Cornaceae, commonly known as dogwoods or cornels, which can generally be ...
Cornus drummondii, commonly known as the roughleaf dogwood, is a small deciduous tree that is native primarily to the Great Plains and Midwestern regions of the United States. It is also found around the Mississippi River. [3] It is uncommon in the wild, and is mostly found around forest borders. The roughleaf dogwood is used as a buffer strip ...
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.
Cornus sanguinea stems in winter.. It is a medium to large deciduous shrub, growing 2–6 metres (7–20 ft) tall, with dark greenish-brown branches and twigs.The leaves are opposite, 4–8 centimetres (2–3 in) long and 2–4 centimetres (0.8–1.6 in) broad, with an ovate to oblong shape and an entire margin; they are green above, slightly paler below, and rough with short stiff pubescence.
It is resistant to the dogwood anthracnose disease, caused by the fungus Discula destructiva, unlike C. florida, which is very susceptible and commonly killed by it; for this reason, C. kousa is being widely planted as an ornamental tree in areas affected by the disease. [8] Fall foliage is a showy red color.
Cornus canadensis is a slow-growing herbaceous perennial growing 10–20 centimetres (4–8 inches) tall, generally forming a carpet-like mat. The above-ground shoots rise from slender creeping rhizomes that are placed 2.5–7.5 cm (1–3 in) deep in the soil, and form clonal colonies under trees. The vertically produced above-ground stems are ...