Tsuga caroliniana Engelm.

Carolina hemlock (en), Pruche de la caroline (fr)

Species

Gymnosperms > Pinales > Pinaceae > Tsuga

Characteristics

Trees to 30m; trunk to   diam.; crown conic. Bark brown, scaly and fissured. Twigs light brown, thinly covered with short, dark hairs. Buds oblong, 2--3mm. Leaves 10--20mm, mostly spreading in all directions from twigs, flat but slightly revolute; abaxial surface glaucous, with 2 broad, conspicuous stomatal bands, adaxial surface shiny green; margins entire. Seed cones ovoid to oblong, 2.5--4 ´ 1.5--2.5cm; scales oblong, 12--18 ´ 8--12mm, bases clawed, apex rounded. 2 n =24.
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An evergreen pine tree. It grows 20 m high. The tree is broadly cone shaped. The bark is red-brown and furrowed. Ridges develop with age. The leaves are narrow and 2 cm long. They are dark green above and have 2 white bands underneath. The male and female flowers are in separate clusters. They are both brown and the male ones are below the shoot while female ones are at the tip. The fruit is a pale brown hanging cone. It is 2.5 cm long.
Similar to no. 1 [Tsuga canadensis (L.) Carrière]; lvs entire, averaging slightly larger, more diversely oriented, so that the sprays are not so flat; cones 25–35 mm, the scales widely spreading at maturity, oblong-ovate, the exposed portion of the middle ones at least as long as wide. Ravines and rocky hillsides in the Blue Ridge Prov., rarely on the Piedmont; sw. Va. to n. Ga.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination anemogamy
Spread -
Mature width (meter) 4.75
Mature height (meter) 15.0 - 19.8
Root system -
Rooting depth (meter) 0.7
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

It is a temperate plant. It grows naturally on mountain slopes in the S.E. United States. It grows between 760-1,200 m altitude. It cannot tolerate fire.
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Usually found growing singly or in small scattered groves of a few individuals on the rocky banks of streams; at elevations from 750-1,200 metres.
Light 3-6
Soil humidity 4-6
Soil texture 1-6
Soil acidity 1-5
Soil nutriment -
Hardiness (USDA) 5-7

Usage

Uses dye environmental use fiber fuel material medicinal wood
Edible barks leaves shoots
Therapeutic use Dermatological Aid (bark), Antidiarrheal (root), Gynecological Aid (root), Gynecological Aid (unspecified), Kidney Aid (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

It can be grown from seed. Seedlings are slow to establish. It can also be grown from cuttings.
Mode cuttings seedlings
Germination duration (days) 7 - 60
Germination temperacture (C°) 9
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Tsuga caroliniana unspecified picture

Distribution

Tsuga caroliniana world distribution map, present in United States of America

Conservation status

Tsuga caroliniana threat status: Near Threatened

Identifiers

LSID urn:lsid:ipni.org:names:264006-1
WFO ID wfo-0000456345
COL ID 59HM7
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Tsuga caroliniana Tsuga caroliniana f. compacta Pinus caroliniana Abies caroliniana Tsuga caroliniana var. compacta