During preparation of a revision of the genus Eranthemum (Acanthaceae), it became evident that nine specimens from eastern and south-eastern floristic regions of Thailand and southern Laos represent a new species which is herein described, illustrated and given the name E. decumbens. The new species has affinities to E. strictum and E. roseum. A key to the species of Eranthemum occurring in Thailand is provided, together with ecological data, distribution map and conservation status.

中文翻译：

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一新种泰国和老挝的Eranthemum L. (Acanthaceae)

在准备修订Eranthemum属（Acanthaceae）期间，很明显来自泰国东部和东南部植物区和老挝南部的 9 个标本代表了一个新物种，本文对其进行了描述、说明并命名为E. decumbens。新种与E.strictum和E.roseum有亲缘关系。提供了泰国Eranthemum物种的关键，以及生态数据、分布图和保护状况。