Thuja orientalis

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Plant Characteristics
Origin: ?
Cultivation
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Scientific Names



Read about Thuja orientalis in the Standard Cyclopedia of Horticulture 

Thuja orientalis, Linn. (Biota orientalis, Endl.). Pyramidal or bushy tree, attaining 25 ft., with spreading and ascending branches: branchlets thin: lvs. rhombic-ovate, acute, bright green, with a small gland on the back: cones globose-ovate, 1/2 - 1 in. long; usually 6 ovate scales, each with a horn-like process, the uppermost pair sterile. From Persia to E. Asia, in Japan probably only cult. There are many garden forms, of which the following are the best known: Var. athrotaxoides, Carr. Dwarf, irregularly and not frond-like branching; branchlets nearly quadrangular, slender, dark green. R.H. 1861, p. 230. Var. aurea, Hort. Low, compact, globose shrub, golden yellow in spring, changing to bright green. G.W. 1, p. 299. Var. aurea conspicua, Hort. More erect, the intense golden foliage partially suffused with green. Var. aurea nana, Hort. Golden yellow foliage and very dwarf and compact habit. Var. aureo-variegata, Hort. Of pyramidal habit: branchlets variegated with yellow. Var. beverleyensis (Thuja beverleyensis, Hort.). A columnar form with the tips of the branchlets golden yellow. Var. decussata, Beissn. & Hochst. (Retinispora juniperoides, Carr. Chamaecyparis decussata, Hort.). Fig. 3369. Dwarf globose form: lvs. linear-lanceolate, spreading, stiff, acute, bluish green. A juvenile form; see, also, Retinispora. Var. elegantissima, Gord. Of low columnar habit, bright yellow in spring, yellowish green afterward. Var. falcata, Lindl. Of dense pyramidal growth, deep green, the horns of the strobiles curved backward. Var. filiformis stricta, Hort. Round- headed dwarf bush, with upright, thread-like branches. Var. gracilis, Carr. Of pyramidal somewhat loose and slender habit, with bright green foliage. Var. freneloides and var. nepalensis are hardly different from this. Var. meldensis, Veitch. Of columnar pyramidal somewhat irregular growth: lvs. acicular, bluish green, sometimes passing into the normal form. Intermediate between the var. decussata and the type. Var. pendula, Parl. (var. filiformis, Henk. & Hochst. T. pendula, Lamb. T. filiformis, Lindl.). Branches pendulous, thread-like, sparingly ramified, and with the lvs. wide apart and acuminate. Var. funiculata, Hort., and var. intermedia, Carr., are intermediate forms between this variety and the type. H. U. 4:70. Var. pyramidalis, Endl. Of pyramidal habit, with bright green foliage; one of the tallest and hardiest varieties. Var. semperaurescens, Veitcn. Dwarf, globose; the golden hue of the foliage remains throughout the whole year. Var. Sieboldii, Endl. (var. japonica, Sieb. Var. nana, Carr. Var. Zuccariniana, Veitch. Var. compacta, Beissn.). Globose compact low form, bright green. CH


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