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Chamaecyparis thyoides (L.) Britton, Sterns & Poggenb.

Atlantic white-cedar (en), Petit-Cyprès blanc (fr)

Species

Gymnosperms > Cupressales > Cupressaceae > Chamaecyparis

Characteristics

Trees to 20(--28) m; trunk to 0.8(--1.5) m diam. Bark dark brownish red, less than 3 cm thick, irregularly furrowed and ridged. Branchlet sprays fan-shaped. Leaves of branchlets to 2 mm, apex acute to acuminate, bases of facial leaves often overlapped by apices of subtending facial leaves; glands usually present, circular. Pollen cones 2--4 mm, dark brown; pollen sacs yellow. Seed cones maturing and opening the first year, 4--9 mm broad, glaucous, bluish purple to reddish brown, not notably resinous; scales 5--7. Seeds 1--2 per scale, 2--3 mm, wing narrower than body.
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Trees to 20(-28) m tall; trunk to 0.8(-1.5) m d.b.h.; bark dark reddish brown, irregularly furrowed and ridged; leafy branchlets fan-shaped. Leaves to 2 mm, usually with circular abaxial gland, apex acute to acuminate; leaves on lower side of branchlets not or only slightly glaucous. Pollen cones dark brown, 2-4 mm; pollen sacs yellow. Seed cones bluish purple to reddish brown, glaucous, globose, 4-9 mm in diam.; cone scales 5-7, fertile scales each with 1 or 2 seeds. Seeds 2-3 mm; wing narrower than seed.
Slender tree to 25 m; ultimate branchlets ca 1 mm wide; lvs imbricate, ovate, 2–4 mm, pointed, usually glandular, persisting and enlarging on the older branches; cones 6–8 mm, the scales ca 6, pointed in the center. Swamps and bogs, chiefly on the coastal plain; s. Me. and c. N.H. to Fla. and Miss.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination anemogamy
Spread -
Mature width (meter) 2.25
Mature height (meter) 10.0 - 12.5
Root system -
Rooting depth (meter) 0.4
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Cold, swampy often inundated ground, frequently forming dense pure forests. The best specimens are found in acid peat beds.
Light 5-7
Soil humidity 2-6
Soil texture 2-5
Soil acidity 1-7
Soil nutriment -
Hardiness (USDA) 5-8

Usage

Uses afforestation environmental use material medicinal wood
Edible -
Therapeutic use Analgesic (bark), Analgesic (leaf)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) 30 - 60
Germination temperacture (C°) 7 - 9
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -12
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Chamaecyparis thyoides unspecified picture

Distribution

Chamaecyparis thyoides world distribution map, present in Brazil, China, and United States of America

Conservation status

Chamaecyparis thyoides threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:54814-2
WFO ID wfo-0000599490
COL ID TJJP
BDTFX ID 81351
INPN ID 610827
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Chamaecyparis squarrosa Chamaecyparis thyoides Cupressus ericoides Cupressus thyoides Chamaecyparis thyoides f. glauca Chamaecyparis thyoides f. variegata Chamaecyparis thyoides f. ericoides Chamaecyparis thyoides f. andelyensis Chamaecyparis sphaeroidea var. pendula Widdringtonia ericoides Cupressus palustris Chamaecyparis sphaeroidea var. glauca Cupressus thyoides var. variegata Chamaecyparis sphaeroidea var. andelyensis

Lower taxons

Chamaecyparis thyoides var. henryae Chamaecyparis thyoides var. thyoides
WorldFloraDB 2024