Hanguana deflexasp. nov. (Hanguanaceae) from Lawas district, Sarawak, Malaysia (northern Borneo) is described and illustrated, bringing the total number of species in Borneo to eight. The new species differs from all other recognized Hanguana species by a combination of flat leaf blade, deflexed infructescences, one-seeded dull red fruits with centrally positioned stigma and globose seed with wedge-shaped ostiole. Revised key for Bornean Hanguana species is presented.

中文翻译：

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Hanguana deflexa（Hanguanaceae），来自婆罗洲沙捞越的新森林物种

Hanguana deflexasp。十一月 对来自马来西亚沙捞越州拉瓦斯区（婆罗洲北部）的（Hanguanaceae）进行了描述和插图，使婆罗洲的物种总数达到八个。这个新种与所有其他公认的汉瓜种的不同之处在于扁平叶片、偏折的果序、具有中心位置的柱头的单种子暗红色果实和具有楔形小孔的球形种子的组合。提出了婆罗洲 Hanguana 物种的修订密钥。