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| Tweeddalea capsiciformis A.S.D.Irsyam & M.R.Hariri, in Irsyam, Hariri et Setiawan, 2026. |
Abstract
A new species of the genus Tweeddalea (Araceae), Tweeddalea capsiciformis, is described and illustrated from West Kalimantan, Indonesian Borneo. This species increases the number of described species in the genus to fifteen. The discovery of T. capsiciformis not only extends the known distribution range of the genus but also highlights the rich yet still insufficiently explored diversity of Araceae in Borneo.
Keywords: Aroid, Kalimantan, Malesia, Multiflora clade, Schismatoglottideae
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| Tweeddalea capsiciformis. A. Habit. B. Inflorescence position. C. Spathe. D. Spadix. E. Close-up spadix. F. Close-up staminate flowers zone. G. Close-up pistils and interstice zone. (A–F from the holotype.). |
Tweeddalea capsiciformis A.S.D.Irsyam & M.R.Hariri., sp. nov.
Etymology. The specific epithet capsiciformis refers to the chili-like shape of the spathe, which resembles the fruit of Capsicum L. (Solanaceae).
Arifin S. D. Irsyam, Muhammad R. Hariri & Ade Agus Setiawan. 2026. Unveiling the Fifteenth Species of Tweeddalea (Araceae) from Indonesian Borneo. Brittonia. DOI: doi.org/10.1007/s12228-026-09883-0 [30 April 2026]
