Overview

Distribution

National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

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Localities documented in Tropicos sources

Taxodium distichum var. imbricatum (Nutt.) Croom:
United States (North America)
China (Asia)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA

Source: Missouri Botanical Garden

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Physical Description

Morphology

Physical Description

Tree, Deciduous, Evergreen, Monoecious, Habit erect, Trees with knees, Tree with bark rough or scaly, Young shoots in flat sprays, Young shoots 3-dimensional, Buds not resinous, Leaves needle-like, Leaves alternate, Needle-like leaf margins entire (use magnification), Needle-like leaf margins finely serrulate (use magnification or slide your finger along the leaf), Leaf apex acute, Leaf apex obtuse, Leaves < 5 cm long, Leaves < 10 cm long, Leaves not blue-green, Scale leaves without raised glands, Needle-like leaves flat, Needle-like leaves not twisted, Needle-like leaves per fascicle mostly 1, Twigs glabrous, Twigs not viscid, Twigs without peg-like projections or large fascicles after needles fall, Berry-like cones orange, Woody seed cones < 5 cm long, Bracts of seed cone included, Seeds tan, Seeds brown, Seeds wingless.
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Stephen C. Meyers

Source: USDA NRCS PLANTS Database

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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: N5 - Secure

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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Wikipedia

Taxodium ascendens

Taxodium ascendens, also known as Pond Cypress, is a deciduous conifer of the genus Taxodium, native to North America. Many botanists treat it as a variety of Bald Cypress, Taxodium distichum (as T. distichum var. imbricarium) rather than as a distinct species, but it differs in ecology, occurring mainly in still blackwater rivers, ponds and swamps without silt-rich flood deposits. It predominates in cypress dome habitats.

Description[edit]

Taxodium ascendens reaches on average 15–18 metres (49–59 ft) in height. Compared to T. distichum, the leaves are shorter (3-10 mm long), slenderer and are on shoots that tend to be erect rather than spreading. The trunk is expanded at the base, even on young trees, assisting the tree in anchoring in the soft, muddy soil. The cones also tend to be smaller, not over 2.5 cm diameter. The bark is also a paler gray color. Like Bald Cypresses, Pond Cypresses growing in water have a characteristic growth trait called cypress knees; these are woody projections pneumatophores sent above the water from the roots, probably enabling this plant to breathe air in habitat with waterlogged soil. Maximum longevity of this plant is estimated at 1000 years. This figure may be an underestimate, as The Senator, until recently growing in Longwood, Florida's Big Tree Park, was estimated to be over 3,400 years old.

Distribution[edit]

This species is native to the southeastern United States, from coastal North Carolina to southeastern Louisiana and south into Florida except for the Florida Keys.

Stunted individuals of pond cypress are notable in the Dwarf cypress savanna of the Everglades National Park.

Habitat[edit]

Taxodium ascendens in the Black Water, Okefenokee Swamp, Georgia, USA

Taxodium ascendens occurs naturally in shallow ponds, lake margins, swamps and wetlands. It prefers wet, poorly drained and acidic soils, at an altitude of 0–30 metres (0–98 ft) above sea level.

References[edit]

http://en.wikipedia.org/wiki/File:The_Senator_Tree_Longwood_Florida.JPG

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