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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.
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 (39 °F). [13]: 100–102 [20] Flowering dogwood demonstrates gametophytic self-incompatibility, meaning that the plants cannot self-fertilize.
The flowers commonly bloom twice per season, once in the spring and again in late summer or early fall. [5] [3] The fruit is a compound pink-red or orange drupe about 1–1.5 cm (1 ⁄ 2 – 1 ⁄ 2 in) long, in clusters containing 20–40 drupelets, each of which contains two seeds. They appear in September or October. [3] [5]
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] New Jersey ...
Cornus sericea, the red osier or red-osier dogwood, [2] is a species of flowering plant in the family Cornaceae, native to much of North America. It has sometimes been considered a synonym of the Asian species Cornus alba .
The term "dogwood winter", in colloquial use in the American Southeast, especially Appalachia, [38] is sometimes used to describe a cold snap in spring, presumably because farmers believed it was not safe to plant their crops until after the dogwoods blossomed. [39] Anne Morrow Lindbergh gives a vivid description of the dogwood tree in her poem ...
Cornus foemina is a species of flowering plant in the family Cornaceae known by the common names stiff dogwood [2] and swamp dogwood. [4] [5] It is native to parts of the eastern and southeastern United States. [2] This plant is a large shrub or small tree up to 25 feet tall with trunks up to 4 inches wide. The bark is smooth or furrowed.
Cornus alternifolia is a species of flowering plant in the dogwood family Cornaceae, native to eastern North America, from Newfoundland west to southern Manitoba and Minnesota, and south to northern Florida and Mississippi. It is rare in the southern United States. [2] It is commonly known as green osier, [3] alternate-leaved dogwood, [4] and ...