抄録
A new variety of Didymoplexis cornuta J. J. Sm. var. betungkerihunensis Tsukaya & H. Okada (Orchidaceae), found during a botanical survey of Betung Kerihun National Park, West Kalimantan, Borneo, Indonesia, is described and illustrated. This collection resembles D. cornuta J. J. Sm. in having lateral sepals, connate except for the very tip, which is known only from Bogor, Java, Indonesia. Overall colouration also resembles D. cornuta. However, the proposed new variety differs in flower size, has a shorter spur, and lacks a spine-like appendage on the claw near the base of the lip.
