扁枝石松

株：小型至中型土生蕨类。

茎：主茎匍匐状，长达1米。

枝：侧枝近直立，高达15厘米，多回不等位2叉分枝，小枝扁平状，灰绿或绿色。

叶：叶4行排列，密集，三角形，长1-2毫米，宽约1毫米，基部贴生枝上，无柄，先端尖锐，略内弯，边缘全缘，中脉不明显，草质。

果：孢子囊穗(1)2-5(6)个生于长10-20厘米的孢子枝顶端，圆柱形，长1.5-3厘米，淡黄色；孢子叶宽卵形，覆瓦状排列，长约2.5毫米，宽约1.5毫米，先端骤尖，尾状,边缘膜质，具不规则锯齿；孢子囊生于孢子叶腋，内藏，圆肾形，黄色。

小型至中型土生蕨类。主茎匍匐状，长达1米。侧枝近直立，高达15厘米，多回不等位2叉分枝，小枝扁平状，灰绿或绿色。叶4行排列，密集，三角形，长1-2毫米，宽约1毫米，基部贴生枝上，无柄，先端尖锐，略内弯，边缘全缘，中脉不明显，草质。孢子囊穗(1)2-5(6)个生于长10-20厘米的孢子枝顶端，圆柱形，长1.5-3厘米，淡黄色；孢子叶宽卵形，覆瓦状排列，长约2.5毫米，宽约1.5毫米，先端骤尖，尾状,边缘膜质，具不规则锯齿；孢子囊生于孢子叶腋，内藏，圆肾形，黄色。

分布：广布于全球温带及亚热带

产地：吉林、内蒙古、河南、新疆、浙江、台湾、福建、江西、湖北、湖南、广东、广西、贵州、云南、四川及西藏

生境：林下、灌丛中或山坡草地

海拔：700-2900米

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