The specimens (two pairs of part and counterpart) of coniferalean branched leafy shoots were collected from the Jiulongshan Formation (Middle Jurassic) at the village of Daohugou, Ningcheng, Inner Mongolia, China. The fossil material displays helical phyllotaxy, dorsiventrally flattened linear, sessile leaves with decurrent base and prominent and single mid-vein. The foliate shoots are assigned to Sequoia jeholensis by comparing those of the genera Yanliaoa, Sequoia, Metasequoia, Taxodium, and Glyptostrobus, the basal members of the Cupressaceae sensu lato. Sequoia jeholensis is the oldest Sequoia species to date. It has coriaceous, dimorphic, helically arranged linear and scale leaves, with entire margins, attached obliquely to the axis by their decurrent bases. The leaf cuticle of S. jeholensis is described here for the first time. Leaves are hypostomatic, with stomata only on the abaxial surface. Anticlinal walls are straight, with single or more often paired pits. The epidermal structures of Sequoia are one of the key characters to distinguish it from similar genera, but they usually could not be used to distinguish the species within Sequoia. The Middle Jurassic of Daohugou represents a lacustrine environment with a warm and humid climate reflected by the species assemblage. So, the extinct Sequoia probably had similar climatic requirements to those of extant Sequoia sempervirens.

针叶树分枝叶枝的标本（两对和对应的）是从内蒙古宁城稻湖沟村九龙山组（侏罗纪中段）采集的。化石材料显示出螺旋状的叶序，背面扁平的线形无柄叶，基部退化，中脉明显且单一。该叶状枝条被分配给红杉jeholensis通过比较那些属的Yanliaoa，红杉，水杉，落羽杉，和水松时，柏科的基础构件意义上 拉托。红杉 jeholensis是最古老的迄今为止的红杉种。它具有呈圆锥形，螺旋状排列的螺旋状和鳞片状叶片，整个边缘通过其退化的基部倾斜地附着在轴上。S的叶片角质层。这里第一次描述了jeholensis。叶片具气孔性，仅在背面有气孔。背斜壁是直的，有单个或更经常成对的凹坑。红杉的表皮结构是将其与相似属区分开的关键特征之一，但通常不能用来区分红杉内的物种。稻湖沟的侏罗纪中部是湖相环境，物种组合反映出温暖湿润的气候。所以灭绝了红杉可能对气候的需求与现存的红杉相似。