油鬆的生長習性是怎樣的？ 油鬆生長特征
油鬆為常綠喬木，高20餘yu米mi。樹shu冠guan年nian少shao為wei圓yuan錐zhui形xing，壯zhuang年nian今jin後hou成cheng扁bian平ping傘san形xing，晚wan年nian為wei不bu規gui則ze之zhi品pin格ge形xing。樹shu皮pi灰hui黑hei色se，或huo帶dai灰hui紅hong褐he色se之zhi龜gui裂lie或huo鱗lin狀zhuang開kai裂lie。幼you枝zhi輪lun生sheng而er甚shen堅jian韌ren“ 葉兩釺一束，葉鞘永存，釺長10-15 厘li米mi，葉ye緣yuan有you鋸ju齒chi，成cheng螺luo旋xuan狀zhuang著zhe生sheng在zai小xiao枝zhi上shang。冬dong芽ya紅hong褐he色se，花hua單dan性xing，雌ci雄xiong同tong株zhu，異yi位wei。雄xiong花hua生sheng在zai新xin枝zhi基ji部bu四si周zhou，黃huang色se花hua粉fen甚shen多duo，雌ci花hua玫mei瑰gui紫zi色se，1-2 枚生在新稍頂端，五月上旬開花，翌年九月老練。果實球形綠色，熟時黃褐色，每鱗片有兩粒種子。
油you鬆song為wei強qiang陽yang性xing樹shu，適shi應ying性xing很hen強qiang，能neng耐nai千qian旱han脊ji薄bo的de土tu壤rang，抗kang旱han力li強qiang，但dan怕pa水shui濕shi。經jing濟ji價jia値値很hen高gao，木mu材cai用yong處chu頗po廣guang，枝zhi葉ye根gen皮pi可ke提ti化hua工gong醫yi藥yao，釺釺葉ye可ke作zuo飼si料liao，種zhong子zi可ke吃chi。
yousongshushishengchangqiangjian，sijichang靑，ziyouzhilaoshuzigaibianhenda，gejutebiefengge，xinshangjia値shengao，meihuayongchupoguang。keyonglaianzhitingyuanlvzhou，zhuangdianlougejiashan，guliqunzhijunshi，shandizaolinzuiyi。yongzuoxingdaoshuhuozaizaigushixiujianjijinianguanzhisipanggengweituodang。
