OregonFlora: Taxodium distichum vs. Cupressaceae

	Taxodium distichum	Cupressaceae
	bald cypress	cypress family
Habit		Trees or shrubs evergreen, monoecious (but usually dioecious in Juniperus).
Bark		smooth to fibrous and furrowed.
Leaves		needlelike; awl-like, or scale-like; simple, alternate or opposite, 2- or 4-ranked or in whorls of 3.
Pollen cones		maturing annually; solitary; terminal.
Seeds		1–many per scale, not winged.
Seed cones		woody or berry-like; terminal, scales of woody cones imbricate or peltate.

	Taxodium distichum	Cupressaceae
Distribution	[WildflowerSearch map] [BONAP county map]	[BONAP county map]
Discussion	[This taxon does not have a floristic treatment in Flora of Oregon.]	Temperate regions worldwide. Approximately 25 genera; 7 genera treated in Flora. Although some authorities segregate Taxodiaceae from Cupressaceae, most current researchers unite the families. Among the conifers, Cupressaceae has the widest distribution, occurring on all continents except Antarctica.
Source	Flora of Oregon, volume 1	Flora of Oregon, volume 1, page 108
Subordinate taxa	T. distichum var. distichum
Web links	Local floras: OR Local Web sites: Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: CA, OR Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Cupressaceae

bald cypress

cypress family

Habit

Trees or shrubs evergreen, monoecious (but usually dioecious in Juniperus).

Bark

smooth to fibrous and furrowed.

Leaves

needlelike; awl-like, or scale-like; simple, alternate or opposite, 2- or 4-ranked or in whorls of 3.

Pollen cones

maturing annually; solitary; terminal.

Seeds

1–many per scale, not winged.

Seed cones

woody or berry-like; terminal, scales of woody cones imbricate or peltate.

Cupressaceae

Distribution

[WildflowerSearch map]

[BONAP county map]

Discussion

[This taxon does not have a floristic treatment in Flora of Oregon.]

Temperate regions worldwide. Approximately 25 genera; 7 genera treated in Flora.

Although some authorities segregate Taxodiaceae from Cupressaceae, most current researchers unite the families. Among the conifers, Cupressaceae has the widest distribution, occurring on all continents except Antarctica.

Source

Flora of Oregon, volume 1

Flora of Oregon, volume 1, page 108

Subordinate taxa

T. distichum var. distichum

Web links