A new species of Epidendrum, E. cusiyacoense, is described and illustrated based on Colombian material. The novelty belongs to the ‘Garayi subgroup’ and resembles the Ecuadorian endemic E. ilinizae, but is distinguished by the oblong‐lanceolate leaf which is over five times longer than wide, 2‐flowered inflorescence and entire, papillate lip margins. Epidendrum cusiyacoense is so far exclusively known from Colombia where it grows as an epiphyte in wet páramo, among scrub and Espeletia patches at the altitude of about 3000–3500 m. A key to the identification of species belonging to informal Garayi subgroup is provided.

中文翻译：

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Epidendrumcusiyacoense（兰科），来自哥伦比亚的一个新物种

一新种Epidendrum，E. cusiyacoense，描述和基于哥伦比亚材料示出。新奇属于“加拉伊亚群”，类似于厄瓜多尔特有的伊利诺伊猪笼草，但特征是长圆形披针形叶，长于宽阔的2花的花序和整个乳突状唇缘。迄今，哥伦比亚独有的淫羊iya（Epidendrum cusiyacoense）在湿的帕拉莫（Páramo）中生长为附生植物，在海拔约3000-3500 m的灌木丛和Espeletia斑块中。提供了识别属于非正式嘎赖亚组物种的关键。