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Platycladus orientalis (L.) Franco

Oriental arborvitae (en), Thuya d'Orient (fr), Platycladus d'Orient (fr), Thuya de Chine (fr)

Species

Gymnosperms > Cupressales > Cupressaceae > Platycladus

Characteristics

Trees to more than 20 m tall; trunk to 1 m (or more) d.b.h.; bark reddish brown to light grayish brown, thin, flaking in long strips; crown ovoid-pyramidal when young, broadly rounded or irregular when old. Leaves 1-3 mm, apex bluntly pointed; facial leaves rhomboid, with a conspicuous, linear, glandular groove at center abaxially; lateral leaves overlapping facial ones, boat-shaped, ridged, apex slightly incurved. Pollen cones yellowish green, ovoid, 2-3 mm. Seed cones when immature bluish green, subglobose, ca. 3 mm in diam., when ripe reddish brown, subovoid, 1.5-2(-2.5) × 1-1.8 cm; proximal 2 fertile cone scales 2-seeded, distal 2 fertile scales 1-seeded. Seeds grayish brown or purplish brown, ovoid or subellipsoid, 5-7 × 3-4 mm, slightly ridged. Pollination Mar-Apr, seed maturity Oct.
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A small tree. It grows 9-15 m high and spreads 3-4.5 m wide. It has an irregular rounded crown. The bark is fibrous. The leaves are pale green and do not have a scent. Leaves turn bronze in the winter. They grow in vertical flattened sprays. Scale like leaves are 1-2 mm long with resin glands and sword shaped leaves are 4-5 mm long. The twigs are flattened and leaf covered. The cones are egg shaped and covered with a bloom. They are 7-12 mm long and upright. There are 4-5 pairs of thick fleshy scales. They ripen to brown. The seeds do not have wings.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination anemogamy
Spread anemochory
Mature width (meter) 3.0 - 4.5
Mature height (meter) 15.0
Root system -
Rooting depth (meter) 0.9
Root diameter (meter) 0.8
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 is frost hardy. It grows in swampy areas on limestone rocks. It cannot stand stagnant water around its roots. It can also grow on dry shallow soils. It can tolerate salt spray. In Hobart Botanical gardens. It suits plant hardiness zone 7.
More
Steep dry rocky valley slopes; at elevations from 300-3,300 metres. Found in the transitional open woodland zone, almost invariably in secondary vegetation or, nearest to its original habitat, in more or less degraded woodland and forest.
Light 4-7
Soil humidity 3-6
Soil texture 4-8
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 6-9

Usage

Uses dye environmental use essential oil food material medicinal timber wood
Edible leaves seeds
Therapeutic use Anti-bacterial agents (leaf), Antifungal agents (leaf), Antipyretics (leaf), Diuretics (leaf), Insecticides (leaf), Astringent (unspecified), Burn (unspecified), Carcinoma (unspecified), Coagulant (unspecified), Cold (unspecified), Convulsion (unspecified), Diuretic (unspecified), Dysmenorrhea (unspecified), Ejaculation (unspecified), Emmenagogue (unspecified), Fattening (unspecified), Fever (unspecified), Hematemesis (unspecified), Hematofeces (unspecified), Hematuria (unspecified), Hemostat (unspecified), Laxative (unspecified), Lenitive (unspecified), Liver (unspecified), Nausea (unspecified), Nervine (unspecified), Neurasthenia (unspecified), Palpitation (unspecified), Perspiration (unspecified), Piles (unspecified), Refrigerant (unspecified), Rheumatism (unspecified), Scald (unspecified), Sedative (unspecified), Skin (unspecified), Tonic (unspecified), Tumor (unspecified), Epistaxis (unspecified), Hemorrhage (unspecified), Hidrosis (unspecified), Parasiticide (unspecified), Apprehension (unspecified), Constipation (unspecified), Hemostatic (unspecified), Insomnia (unspecified), Metrorrhagia (unspecified), Headache (unspecified), Enterostenosis (unspecified), Hair-Tonic (unspecified), Menorrhagia (unspecified), Resolvent (unspecified), Amnesia (unspecified), Antineoplastic agents (unspecified), Antitussive agents (unspecified), Expectorants (unspecified), Heart diseases (unspecified), Nervous system diseases (unspecified), Sleep initiation and maintenance disorders (unspecified)
Human toxicity toxic (seed)
Animal toxicity very strong toxic (seed)

Cultivation

Plants can be grown from seed or stem cuttings.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) 3
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Platycladus orientalis leaf picture by rostu (cc-by-sa)
Platycladus orientalis leaf picture by fru1925 (cc-by-sa)
Platycladus orientalis leaf picture by Malek Sabbirbhai (cc-by-sa)

Flower

Platycladus orientalis flower picture by rostu (cc-by-sa)
Platycladus orientalis flower picture by rostu (cc-by-sa)
Platycladus orientalis flower picture by rostu (cc-by-sa)

Fruit

Platycladus orientalis fruit picture by fru1925 (cc-by-sa)
Platycladus orientalis fruit picture by Svetozár Katuščák (cc-by-sa)
Platycladus orientalis fruit picture by Dan Redan (cc-by-sa)

Distribution

Platycladus orientalis world distribution map, present in Brazil, China, France, Korea (Republic of), Pakistan, and United States of America

Conservation status

Platycladus orientalis threat status: Near Threatened

Identifiers

LSID urn:lsid:ipni.org:names:677124-1
WFO ID wfo-0000396774
COL ID 4JPPV
BDTFX ID 50166
INPN ID 114037
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Thuja orientalis f. conspicua Thuja orientalis f. aurea Thuja orientalis f. flagelliformis Thuja orientalis f. juniperoides Thuja orientalis f. meldensis Thuja pyramidalis f. stricta Juniperus ericoides Retinispora decussata Retinispora rigida Thuja fortunei Thuja expansa Thuja filiformis Thuja monstrosa Thuja orientalis Thuja meldensis Thuja chengii Thuja acuta Thuja tatarica Thuja verschaffeltii Thuja zuccariniana Biota funiculata Biota glauca Biota gracilifolia Biota intermedia Biota japonica Biota macrocarpa Biota meldensis Biota nepalensis Biota zuccarinii Retinispora recurvata Retinispora decurvata Retinispora ericoides Retinispora flavescens Retinispora glauca Thuja funiculata Thuja flagelliformis Thuja gracilifolia Thuja hybrida Thuja dumosa Thuja elegantissima Thuja nepalensis Thuja minor Thuja decora Thuja antarctica Thuja australis Thuja argentea Thuja aurea Thuja pygmaea Platycladus stricta Platycladus chengii Thuja ericoides Thuja pendula Thuja pyramidalis Thuja stricta Thuja semperaurea Thuja semperaurescens Biota prostrata Biota pyramidalis Biota semperaurescens Biota stricta Biota tatarica Biota variegata Biota wareana Chamaecyparis decussata Chamaecyparis glauca Cupressus filiformis Cupressus thuja Cupressus thuya Biota orientalis f. sieboldii Thuja orientalis f. beverleyensis Thuja orientalis f. sieboldii Thuja orientalis f. semperaurescens Thuja orientalis f. elegantissima Thuja freneloides Retinispora juniperoides Biota orientalis Biota chengii Biota coraeana Biota dumosa Biota elegantissima Biota ericoides Biota excelsa Biota falcata Biota fortunei Biota freneloides Thuja falcata Thuja orientalis var. flagelliformis Biota orientalis var. falcata Biota orientalis var. cristata Biota orientalis var. cupressoides Platycladus orientalis subsp. chengii Biota orientalis var. fernandiana Thuja orientalis var. argyi Biota orientalis var. pendula Biota orientalis var. flagelliformis Thuja orientalis var. pendula Biota orientalis var. beverleyensis Thuja orientalis var. beverleyensis Thuja orientalis var. semperaurescens Thuja orientalis var. sieboldii Biota orientalis var. semperaurescens Biota orientalis var. elegantissima Thuja orientalis var. aurea-conspicua Thuja orientalis var. conspicua Biota orientalis var. aurea Thuja pyramidalis var. stricta Biota orientalis var. filiformis Thuja orientalis var. mexicana Thuja intermedia Thuja glauca Widdringtonia glauca Platycladus orientalis f. pendula Thuja orientalis var. pendula Platycladus orientalis
WorldFloraDB 2024