Oriental Arborvilae Seed--Evergreen trees to 20m, DBH of 1-m. Thin, light beige bark, longitudinal split into strips. Twigs flat, straight line, a plane. Leaf scale form, decussate describing, 1-3mm, apex obtuse, located in micro twigs and leaves show part of both obovateelliptic lozenge or inclined square, on both sides of the leaf of the fluctuation of the leaf folded base of two side, a keel. Central back has glandular slot. Monoecious; QiuHua sheet in short shoot apex, Male QiuHua yellow, oval, 2mm long. Strobilus in ovoid, mature, 1.5-2cm, cooked meat before, turquoise,; After the practice, open, brown wooden, A scale of 4, flat, back of a near apex of various scales, central lenticeled seeds have 1-2. Seed ovoid or long oval, 4 - ZiHeSe or 6mm, beige, wingless or edges, a big ridge. 3-4 months, flowering, nov. 9 - cones.