The arborvitae leaves are the leaves of the plant arborvitae, the original species is arbor, up to 25 meters, with a DBH of 1 m; the bark is thin, light gray-brown, longitudinally split into strips; the branches are stretched or slanted upwards, and the saplings are ovate The spire shape, the old tree crown is wide and round; the small branches of the scales are thin, straight or oblique, flat, arranged in a plane. Leaves squamous, 1-3 mm long, apex slightly blunt, exposed at the center of the branchlets obovate or rhombic, with striate glands in the middle of the back, leaf stalks on both sides, apex microinner, back There are blunt ridges, and there are glandular spots under the pointed head. The male flower is yellow, ovoid, ca. 2 mm long; the female flower is nearly spherical, about 2 mm in diameter, blue-green, and white powder. The cone is nearly ovoid, 1.5-2 (-2.5) cm long, nearly fleshy before maturity, blue-green, white powder, mature wood, cracked, reddish brown; two pairs of scales in the middle are obovate or elliptical, scale top There is an outwardly curved tip at the bottom. The upper 1 pair is narrow and long, nearly columnar, with a pointed tip at the top, and the lower 1 pair of scales is very small, up to 13 mm, dilute and not significant; seed oval Shaped or nearly elliptical, apex slightly pointed, taupe or purple-brown, 6-8 mm long, slightly ridged, wingless or very narrowly winged. During the flowering period from March to April, the cones mature in October.
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