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Cornu aspersum in warm regions commonly emerges in moist weather in winter. Sinistral form (exceptional) and dextral form (common) The adult bears a hard, thin calcareous shell 25–40 millimetres (1– 1 + 5 ⁄ 8 in) in diameter and 25–35 millimetres (1– 1 + 3 ⁄ 8 in) high, with four or five whorls.
Cornus foemina is as an understory tree and tolerates heavily shaded conditions, but will have more prolific fruiting with strong sunlight. [8] [page needed] Cornus foemina tolerates shaded and sunny conditions equally well, with a slight preference for sunny conditions. [15] Cornus foemina has a good tolerance to drought but is prone to ...
Cornus drummondii has low water requirements and grows in shaded or partially shaded areas. Will grow in dry or moist alkaline soil. Cornus drummondii can be grown in sandy, sandy loam, medium loam, clay loam, and clay soils. Unlike many other dogwoods, roughleaf dogwood is very adaptable and can grow in a multitude of conditions. [5] [7]
Cornus mas Cornus florida in spring Cornus drummondii in flower Mature and immature flowers of Cornus canadensis, Bonnechere Provincial Park, Ontario Cornus canadensis fruit Spring budding 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 ...
Cornus canadensis is a slow-growing herbaceous perennial growing 10–20 centimetres (4–8 inches) tall, [4] generally forming a carpet-like mat. The above-ground shoots rise from slender creeping rhizomes that are 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 ...
Cornus mas, "male" cornel, was named so to distinguish it from the true dogberry, the "female" cornel, Cornus sanguinea, and so it appears in John Gerard's Herbal: . This is Cornus mas Theophrasti, or Theophrastus his male Cornell tree; for he ſetteth downe two ſortes of Cornell trees, the male and the female: he maketh the wood of the male to bee ſound as in this Cornell tree; which we ...
Cornus florida, the flowering dogwood, is a species of flowering tree in the family Cornaceae native to eastern North America and northern Mexico. An endemic population once spanned from southernmost coastal Maine south to northern Florida and west to the Mississippi River. [ 4 ]
Like the related Cornus florida, it is very susceptible to dogwood anthracnose, a disease caused by the fungus Discula destructiva. Fungal activity is greatest from May to July, although it can be active any time conditions are moist and the plant is growing. Infected leaves become blotched and drop, and defoliation can be extreme.