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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). Common names include coast redwood, coastal redwood and California redwood. It is an evergreen, long-lived, monoecious tree living 1,200 ...
Polyploidy has come to be understood as quite common in plants—with estimates ranging from 47% to 100% of flowering plants and extant ferns having derived from ancient polyploidy. [11] Within the gymnosperms however it is quite rare. Sequoia sempervirens is hexaploid (2n= 6x= 66).
The coniferous Coast redwood (Sequoia sempervirens) is the tallest tree species on earth.. The world's superlative trees can be ranked by any factor. Records have been kept for trees with superlative height, trunk diameter (girth), canopy coverage, airspace volume, wood volume, estimated mass, and age.
"Icicle Tree" showing burling of the trunk. Sequoia is a genus of redwood coniferous trees in the subfamily Sequoioideae of the family Cupressaceae.The only extant species of the genus is Sequoia sempervirens in the Northern California coastal forests ecoregion of Northern California and Southwestern Oregon in the United States.
The name comes from the Greek for "naked seed"; the egg cells are not protected by ovaries, as in flowering plants. [4] Gymnosperms are divided into 12 families of trees, shrubs and woody vines. [5] Sequoiadendron giganteum, the giant redwood, is the largest tree in the world, and Sequoia sempervirens, the coastal redwood, is the tallest. [6]
Evergreen trees also lose leaves, but each tree loses its leaves gradually and not all at once. Most tropical rainforest plants are considered to be evergreens, replacing their leaves gradually throughout the year as the leaves age and fall, whereas species growing in seasonally arid climates may be either evergreen or deciduous.
Coast redwood (Sequoia sempervirens) Coast redwood (Sequoia sempervirens) - in the fog-shrouded Pacific coast. This and the giant sequoia are the state trees of California. [7] Giant sequoia (Sequoiadendron giganteum) - in the Sierra Nevada Mountains.
Scientific name Common name Family ... Sequoia: true redwoods; Sequoia sempervirens: coast redwood; California redwood; giant redwood ... Loropetalum: fringe flowers;