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Knees with very little taper A bald cypress exhibiting tapered knees. A cypress knee is a distinctive structure forming above the roots of a cypress tree of any of various species of the subfamily Taxodioideae, such as the bald cypress. Their function is unknown, but they are generally seen on trees growing in swamps.
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]
Taxodium distichum (baldcypress, [3] [4] [5] bald-cypress, [6] bald cypress, swamp cypress; French: cyprès chauve; cipre in Louisiana) is a deciduous conifer in the family Cupressaceae. It is native to the southeastern United States. Hardy and tough, this tree adapts to a wide range of soil types, whether wet, salty, dry, or swampy.
Cranichis muscosa, the cypress-knee helmet orchid, is a species of terrestrial orchid. It is widespread across most of the West Indies , extending into Central America, southern Mexico, Belize, northern South America, and southern Florida.
Cupressaceae (cypress family) Athrotaxis selaginoides: King Billy pine Cupressaceae (cypress family) Callitris: cypress-pines; Callitris columellaris: white cypress-pine; Murray River cypress-pine; northern cypress-pine Cupressaceae (cypress family) Callitris preissii: Rottnest Island cypress-pine Cupressaceae (cypress family) Callitris verrucosa
Dawn redwood is widely planted as an ornamental tree because of its excellent horticultural qualities, rapid growth and status as a living fossil. [26] Giant sequoia is a popular ornamental tree [27] and is occasionally grown for timber. [28] Giant sequoia, [29] Leyland cypress, and Arizona cypress are grown to a small extent as Christmas trees ...
Widdringtonia nodiflora (mountain cypress) is a species of Widdringtonia native to Southern Africa. It usually grows at high altitudes, typically among rocks on mountainsides. Its foliage and wood are highly flammable while its natural habitat is prone to fire. To compensate, the species will coppice from its roots after being burnt down.
Cupressus is one of several genera of evergreen conifers within the family Cupressaceae that have the common name cypress; for the others, see cypress. It is considered a polyphyletic group. Based on genetic and morphological analysis, the genus Cupressus is found in the subfamily Cupressoideae .