在我省滇中地区有一个天然分布的速生树种——软叶杉木(见图,钱大江摄)。软叶杉木是杉木属的一个栽培变种,树冠多属窄冠形,并呈尖塔状。外观兰灰色,树皮较厚,颜色褐灰或棕色,成条状沟裂。分枝近平展。针叶长披针形,树冠上部辐射状排列,下部侧枝叶基部扭转呈二列状,先端不锐尖,质地较柔软,用手捏时不刺手。 In Yunnan Province in our province there is a natural distribution of fast-growing species - soft-leaf fir (see photo, Qian Dajiang photo). Cunninghamia lanceolata is a soft-leafed cultivars, mostly crown-shaped crowns, and was a steeple-like. The appearance of blue gray, thick bark, brown or brown color, into a strip of fissure. Branches nearly flat. Needles long lanceolate, the crown of the upper radial arrangement, the lower part of the branches in the twisting of the base was two rows, the tip is not sharp, soft texture, pinch when not hand.