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The trunk diameter often ranges from 46 to 88 cm (18 to 35 in); depending on the growing conditions, however, open-grown trees can attain diameters of up to 153 cm (60 in). The trunk remains free of branches until some distance up the tree on forest grown trees, while individuals grown in the open are shorter and thicker with a more rounded crown.
In Canada and Scandinavia, the growing season is often estimated by using the period of the year when the 24-hour average temperature is +5 °C (41 °F) or more. [16] For the Taiga Plains in Canada, growing season varies from 80 to 150 days, and in the Taiga Shield from 100 to 140 days. [17] Other sources define growing season by frost-free ...
Trunk in sectional view Redwood cone scales begin to open mid November, with seeds dispersing by the wind.. Sequoia sempervirens (/ s ə ˈ k w ɔɪ. ə ˌ s ɛ m p ər ˈ v aɪ r ən z /) [3] is the sole living species of the genus Sequoia in the cypress family Cupressaceae (formerly treated in Taxodiaceae).
Chaparral in the Santa Ynez Mountains, near Santa Barbara, California. Chaparral (/ ˌ ʃ æ p ə ˈ r æ l, ˌ tʃ æ p-/ SHAP-ə-RAL, CHAP-) [1] is a shrubland plant community found primarily in California, in southern Oregon and in the northern portion of the Baja California Peninsula in Mexico.
Each of the trees in this stand is a genetically identical male that has reproduced vegetatively. Although no single tree in this stand is of that age, the stand itself as a single organism has existed that long. [107] Individual trees in the clonal patch have been listed as having ages of 2000 [108] [109] or even to 3000 years old. [110] [111]
Aspen trees are all native to cold regions with cool summers, in the north of the northern hemisphere, extending south at high-altitude areas such as mountains or high plains. They are all medium-sized deciduous trees reaching 15–30 m (50–100 ft) tall. In North America, the aspen is referred to as quaking aspen or trembling aspen because ...
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This category is being considered for merging into Category:Trees of the United States. This nomination is part of a discussion of several related categories. This does not mean that any of the pages in the category will be deleted. They may, however, be recategorized.