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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.
The male cones are 3–5 mm long and release highly allergenic pollen in late winter. The cones of C. sempervirens can withstand years of being sealed and are known to perform serotiny. [8] The tree is moderately susceptible to cypress canker, caused by the fungus Seiridium cardinale, and can suffer extensive dieback where
Inside the cone are approximately 70 to 100 seeds, brown with a light waxy coating described by botanists as glaucous. [3] [10] The seeds are much larger than those of other western cypress trees, weighing two to seven times as much. [4] Closed, but already ripe, cones still on the trees will also open after being exposed to the heat of a fire ...
The seed cones are globose to oblong, 15–33 mm long, with 6 or 8 (rarely 4 or 10) scales, green at first, maturing gray or gray-brown about 20–24 months after pollination. The cones remain closed for many years, only opening after the bearing branch is killed (in a wildfire or otherwise), allowing the seeds to colonize the bare ground ...
The seed cones are globose to oblong, 20–40 mm long, with 6–14 scales, green at first, maturing brown about 20–24 months after pollination. The pollen cones are 3–5 mm long, and release their pollen in late winter or early spring. [8] [9] [10] The Latin specific epithet macrocarpa means "with large fruit". [11]
The seed cones are globose to oblong, 10–20 mm long, with four to 10 scales, green at first, maturing brown or grey-brown about 25 months after pollination. The cones may either open at maturity to release the seeds, or remain closed for several years, only opening after the parent tree is killed in a wildfire , allowing the seeds to colonise ...
The seed cones are oblong-ovoid to cuboid, 15–25 mm long and 13–20 mm broad, with six (rarely four or eight) scales, each scale bearing a prominent umbo; they are strongly serotinous, not opening to release the seeds until the parent tree is killed by wildfire. This enables heavy seed release to colonize the bare, fire-cleared ground.
Cypress trees typically reach heights of up to 25 metres (82 ft) and exhibit a pyramidal form, particularly in their youth. Many are characterised by their needle-like, evergreen foliage and acorn-like seed cones.
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